Alkaline Diet Evidence: 129+ Studies Proving the Benefit of an Alkaline Diet
Alkaline Diet Evidence
A major updated evidence guide on dietary acid load, pH balance, and alkaline-forming eating patterns
Do you need proof? I get it. The world makes it easy to be skeptical, but when you actually get into the literature, the alkaline diet case is far stronger and more substantial than most people realise.
So this guide has been rebuilt from the ground up.
The original version was written in January 2020. Since then, the evidence base around dietary acid load has grown substantially. There are now broader systematic reviews, stronger cohort studies, better kidney data, stronger diabetes data, new cancer meta-analyses, updated metabolic syndrome data, newer fatty-liver studies, and even a 2025 meta-analysis that pooled 118 observational studies across 38 outcomes.
That matters because this guide is built on a large and increasingly coherent body of literature showing that the acid-forming potential of the diet is clinically relevant, that a high dietary acid load tracks with worse outcomes across multiple systems, and that a more alkaline-forming pattern of eating pulls powerfully in the other, healthier direction.
A quick note before we start. This guide is not claiming that food can wildly change your blood pH outside its tightly regulated normal range. Your body regulates blood pH very closely. The real issue is dietary acid load: the chronic acid or alkali burden that diet places on the body, and the physiological work required to buffer and excrete that load.
That is where the science lives.
Below, I start with a deeper dive into the strongest anchor studies. Then I keep the original browse-by-topic structure, but expand it substantially with the newer research layered in.
How to read this guide
The top section goes deeper on the strongest anchor studies. The topic sections underneath keep the original feel of the guide, but with a much larger and more current study bank. In other words, you get both the deep dive and the breadth.
Top Deep Dive Studies: Alkaline Diet Evidence
These are the studies I would want any serious reader to spend time with first. They are the anchor papers that make the overall evidence base feel strong, serious, and genuinely exciting.
1. Diet-Induced Low-Grade Metabolic Acidosis and Clinical Outcomes: A Review
Carnauba, Renata A., Aline B. Baptistella, Vania Paschoal, and Gustavo H. Hübscher. 2017. Nutrients.
Carnauba and colleagues pulled together the evidence on low-grade diet-induced acidosis and showed that the modern acid-forming diet is linked with problems across kidney health, insulin resistance, blood pressure, bone, muscle, and fatty liver. It is a powerful paper because it does not isolate one narrow outcome. It shows that dietary acid load has system-wide consequences.
Key takeaway: Low-grade metabolic acidosis is a real whole-body issue, not a niche theory.
2. Influence of Diet on Acid-Base Balance
Remer, Thomas. 2000. Seminars in Dialysis.
Remer’s paper helped establish how the mineral profile of foods drives acid-base balance and potential renal acid load. In plain English, it showed why meat, cheese, and grain-heavy eating tend to push acid load up, while vegetables and fruits pull it down. That physiological foundation is what makes the rest of the DAL literature so persuasive.
Key takeaway: Food composition measurably shifts acid load, which is why alkaline-forming eating matters.
Frassetto, Lynda A., R. Curtis Morris Jr., Donald E. Sellmeyer, Karen Todd, and Anthony Sebastian. 2001. European Journal of Nutrition.
Frassetto and colleagues compared ancestral eating patterns with the modern Western diet and argued that humans moved from a largely base-producing diet to a far more acid-forming one. That shift helps explain why a plant-rich, potassium-rich pattern looks physiologically favourable while a modern processed pattern looks stressful. It is a big-picture paper, but a very important one.
Key takeaway: The modern Western diet pushes acid-base balance in the wrong direction compared with the diet humans originally adapted to.
4. Diet-induced acidosis: is it real and clinically relevant?
Frassetto, Lynda A., Jacqueline Katzinger, and Joseph Pizzorno. 2010. British Journal of Nutrition.
This review tackled the main criticism head on and concluded that diet-induced acidosis is both real and clinically relevant. The point is not that food wildly changes blood pH. The point is that a chronically acid-forming diet increases the buffering and excretory burden on the body, which can show up in kidney, bone, muscle, and metabolic outcomes.
Key takeaway: The alkaline conversation is about chronic acid burden, and this paper strongly supports that framework.
Park, Yong-Moon Mark, Susan E. Steck, Teresa T. Fung, Anwar T. Merchant, M. Elizabeth Hodgson, Jean A. Keller, and Dale P. Sandler. 2019. International Journal of Cancer.
This large prospective cohort study asked whether women eating a more acid-forming diet were more likely to develop breast cancer over time. They were, and the signal was especially notable for ER-negative and triple-negative disease. For a human prospective study, that is one of the strongest cancer findings in the whole guide.
Key takeaway: Higher dietary acid load was linked with higher breast-cancer risk, including more aggressive subtypes.
Bahrami, Alireza, et al.. 2022. European Journal of Cancer Prevention.
This dose-response meta-analysis pooled the observational cancer literature and found that cancer risk rose as dietary acid load rose. That is exactly the kind of paper you want in an evidence guide because it shows the signal survives when multiple datasets are combined. It moves the conversation well beyond one interesting cohort.
Key takeaway: When the cancer evidence was pooled, higher acid load still tracked with higher cancer risk.
Wang, Ran, et al.. 2022. Frontiers in Nutrition.
This updated meta-analysis pooled the observational cancer data and concluded that higher dietary acid load is associated with higher cancer risk and poorer prognosis. It adds real strength because it brings risk and outcomes into the same conversation. That gives the alkaline-diet case more clinical depth.
Key takeaway: Higher acid load looked unfavourable both for developing cancer and for doing well after diagnosis.
8. Diet-dependent acid load and type 2 diabetes: pooled results from three prospective cohort studies
Kiefte-de Jong, Jessica C., et al.. 2017. Diabetologia.
This was one of the landmark diabetes papers because it pooled three major prospective cohorts and showed that people eating the most acid-forming diets had a higher risk of developing type 2 diabetes. The sheer size of the dataset makes the finding hard to dismiss. It is one of the clearest signals that alkaline-forming eating matters for metabolic health.
Key takeaway: Across huge prospective cohorts, higher acid load consistently predicted higher type 2 diabetes risk.
Jayedi, Ahmad, et al.. 2018. Clinical Nutrition ESPEN.
This meta-analysis strengthened the diabetes case by showing that the positive association between dietary acid load and type 2 diabetes risk held up across prospective studies. The dose-response angle is especially valuable because it suggests that as acid load rises, diabetes risk rises with it. That is exactly the pattern you would hope to see if the relationship is real.
Key takeaway: The diabetes signal strengthens when you look at the evidence in dose-response form.
Dehghan, Parvin, and Mahdieh Abbasalizad Farhangi. 2020. International Journal of Clinical Practice.
Dehghan and colleagues showed that higher dietary acid load lines up with higher fasting blood sugar, higher blood pressure, and worse markers of insulin resistance. That makes this one of the most useful metabolic papers in the whole guide because it ties alkaline-forming eating to the cardiometabolic cluster rather than one isolated disease. It shows the signal is broad.
Key takeaway: Higher acid load was linked with a worse blood sugar and blood pressure picture overall.
Al-Hawary, S. I. S., et al.. 2023. Frontiers in Nutrition.
This dose-response meta-analysis found that higher dietary acid load was associated with a higher likelihood of metabolic syndrome. That matters because metabolic syndrome sits at the centre of modern chronic disease, covering abdominal fat gain, insulin resistance, lipids, and blood pressure. A lower-acid diet therefore looks like a meaningful metabolic advantage.
Key takeaway: As dietary acid load increased, metabolic syndrome risk increased too.
Mofrad, Maryam Davoodi, et al.. 2021. Advances in Nutrition.
This meta-analysis is one of the strongest kidney papers in the entire field. It found that higher dietary acid load was associated with worse kidney function and a higher risk of chronic kidney disease. Because the kidneys are directly responsible for excreting acid, this is one of the most convincing areas of the alkaline-diet literature.
Key takeaway: The kidney data strongly support the idea that a chronically acid-forming diet is a real physiological burden.
Browse by Topic
Click a link to find your research, or browse it all!
- The Alkaline Diet is Clinically Relevant
- Alkaline Diet & Cancer Studies
- Alkaline Diet Evidence for Type 2 Diabetes / Insulin Resistance Studies
- Alkaline Diet & Hypertension, Heart Disease, Blood Pressure Studies
- Alkaline Diet & Osteoporosis / Bone Health Studies
- Alkaline Diet & Renal Stones
- Alkaline Diet & Chronic Kidney Disease
- Alkaline Diet Evidence for Muscle Growth/Sports Performance
- Lots of other stuff!
The Alkaline Diet is Clinically Relevant
I wanted to start here because for a lot of readers, this is the real threshold question: does the scientific literature even accept that diet meaningfully affects acid-base physiology? The answer is yes. These papers build the clinical and physiological scaffolding for everything that follows.
Potential renal acid load of foods and its influence on urine pH
Remer, Thomas, and Friedrich Manz. 1995. Journal of the American Dietetic Association.
This paper helped create the PRAL framework by quantifying how different foods influence acid load and urine pH. It showed very clearly that mineral-rich plant foods are more alkalising, while foods like meat and cheese push the acid load in the other direction. That gives the whole alkaline-diet discussion a practical, measurable basis.
Key takeaway: Foods do not all behave the same way in the body, and PRAL helped prove it.
Influence of Diet on Acid-Base Balance
Remer, Thomas. 2000. Seminars in Dialysis.
Remer’s paper helped establish how the mineral profile of foods drives acid-base balance and potential renal acid load. In plain English, it showed why meat, cheese, and grain-heavy eating tend to push acid load up, while vegetables and fruits pull it down. That physiological foundation is what makes the rest of the DAL literature so persuasive.
Key takeaway: Food composition measurably shifts acid load, which is why alkaline-forming eating matters.
Frassetto, Lynda A., R. Curtis Morris Jr., Donald E. Sellmeyer, Karen Todd, and Anthony Sebastian. 2001. European Journal of Nutrition.
Frassetto and colleagues compared ancestral eating patterns with the modern Western diet and argued that humans moved from a largely base-producing diet to a far more acid-forming one. That shift helps explain why a plant-rich, potassium-rich pattern looks physiologically favourable while a modern processed pattern looks stressful. It is a big-picture paper, but a very important one.
Key takeaway: The modern Western diet pushes acid-base balance in the wrong direction compared with the diet humans originally adapted to.
Sebastian, Anthony, et al.. 2002. American Journal of Clinical Nutrition.
This paper estimated that ancestral diets were typically net base-producing rather than net acid-producing. That makes the modern high-acid pattern look less like a normal human baseline and more like a nutritional mismatch. It is a strong evolutionary argument for why alkaline-forming eating makes sense.
Key takeaway: Humans appear to have evolved on a far more alkaline-forming dietary pattern than the modern one.
Remer, Thomas, and Friedrich Manz. 2003. American Journal of Clinical Nutrition.
This study tested whether the PRAL concept works in real life and showed that dietary acid load tracked with actual renal acid excretion in healthy children and adolescents. That is useful because it confirms that DAL is not just a theoretical calculation. It shows up in measurable physiology.
Key takeaway: Calculated acid load closely reflects what the kidneys are actually asked to excrete.
Origins and evolution of the Western diet: health implications for the 21st century
Cordain, Loren, et al.. 2005. American Journal of Clinical Nutrition.
Cordain and colleagues described how the Western diet shifted toward more sodium, more processed grains, more animal food, and less potassium-rich plant intake. The net result is a pattern that is far more acid-forming than traditional human diets. It is a strong background paper for the entire alkaline argument.
Key takeaway: The Western diet is a modern, acid-forming pattern with clear physiological downsides.
Diet-induced acidosis: is it real and clinically relevant?
Frassetto, Lynda A., Jacqueline Katzinger, and Joseph Pizzorno. 2010. British Journal of Nutrition.
This review tackled the main criticism head on and concluded that diet-induced acidosis is both real and clinically relevant. The point is not that food wildly changes blood pH. The point is that a chronically acid-forming diet increases the buffering and excretory burden on the body, which can show up in kidney, bone, muscle, and metabolic outcomes.
Key takeaway: The alkaline conversation is about chronic acid burden, and this paper strongly supports that framework.
Diet-induced metabolic acidosis
Adeva, María M., and Guillermo Souto. 2011. Clinical Nutrition.
This review explained how even mild chronic metabolic acidosis can affect bone, muscle, kidney handling, and broader physiology over time. It helps connect acid load to practical health consequences instead of leaving the discussion at the level of theory. That is exactly why it belongs near the front of the guide.
Key takeaway: Chronic low-grade acidosis is biologically active, and this paper helps show how.
The Alkaline Diet: Is There Evidence That an Alkaline pH Diet Benefits Health?
Schwalfenberg, Gerry K.. 2012. Journal of Environmental and Public Health.
Schwalfenberg’s review is still useful because it pulled together early evidence showing benefits of a more alkaline-forming pattern for mineral status, bone, muscle, and other outcomes linked to fruit and vegetable intake. It helped move the conversation away from internet mythology and toward the actual literature. For many readers, it remains an accessible entry point.
Key takeaway: This paper helped put the alkaline-diet discussion onto a more scientific footing.
Acidosis: An Old Idea Validated by New Research
Pizzorno, Joseph. 2015. Integrative Medicine.
This paper argued that what once sounded like an old or unfashionable concept now has modern research behind it. The key message is that low-grade acidosis deserves renewed attention because it influences multiple chronic-disease pathways. That framing has aged well.
Key takeaway: The science has steadily validated the clinical relevance of low-grade acidosis.
Diet-Induced Low-Grade Metabolic Acidosis and Clinical Outcomes: A Review
Carnauba, Renata A., Aline B. Baptistella, Vania Paschoal, and Gustavo H. Hübscher. 2017. Nutrients.
Carnauba and colleagues pulled together the evidence on low-grade diet-induced acidosis and showed that the modern acid-forming diet is linked with problems across kidney health, insulin resistance, blood pressure, bone, muscle, and fatty liver. It is a powerful paper because it does not isolate one narrow outcome. It shows that dietary acid load has system-wide consequences.
Key takeaway: Low-grade metabolic acidosis is a real whole-body issue, not a niche theory.
Dietary Acid Load: mechanisms and evidence of its health repercussions
Osuna-Padilla, I. A., et al.. 2019. Nefrologia.
This review connected the mechanisms of dietary acid load with its downstream effects on kidney health, metabolic disease, bone, and cardiovascular risk. It is useful because it ties together the how and the why. Readers can see both the physiology and the clinical implications.
Key takeaway: Dietary acid load has both a mechanism and a growing list of health repercussions behind it.
Low-grade metabolic acidosis as a driver of chronic disease: a 21st century public health crisis
DiNicolantonio, James J., and James O’Keefe. 2021. Open Heart.
This paper makes the case that chronic, low-grade acidosis is not a small issue tucked away in nephrology textbooks. It argues that it may be a modern public-health problem because it interacts with multiple chronic-disease pathways at once. That is a strong and important framing for the alkaline-diet literature.
Key takeaway: Low-grade acidosis may be a widespread chronic-disease driver, not a minor curiosity.
Dietary acid load in health and disease
Wieërs, M. L. A. J., et al.. 2024. Pflügers Archiv.
This recent review surveyed the newer DAL literature and showed how consistently higher acid load tracks with worse outcomes across metabolic, kidney, bone, and other systems. It is helpful because it reflects the field in its more mature form. The evidence base now looks bigger and more coherent than it did a decade ago.
Key takeaway: The modern DAL literature points in a strongly health-supportive direction for alkaline-forming eating.
Dietary Acid Load and Human Health: A Systematic Review and Meta-analysis of Observational Studies
Abbastabar, Maryam, et al.. 2025. Nutrition Reviews.
This 2025 paper pooled an enormous body of observational DAL research across many outcomes and showed that the strongest signals are for outcomes such as type 2 diabetes and cancer. It is one of the most impressive umbrella papers in the whole guide because it confirms that the literature is now broad, deep, and impossible to dismiss as a one-paper niche. It shows just how far this field has come.
Key takeaway: The DAL evidence base is now large enough to show strong positive signals across multiple major health outcomes.
Alkaline Diet & Cancer Studies
This is the area where wording matters most. The strongest responsible conclusion is not that an alkaline diet is a stand-alone cancer treatment. It is that higher dietary acid load appears undesirable in the cancer context, that more alkaline-forming patterns is protective, and that the adjunctive treatment literature is intriguing but still preliminary.
Buffer Therapy for Cancer
Ribeiro, Maria de Lourdes C., Ariosto S. Silva, et al.. 2012. Journal of Nutrition & Food Sciences.
This paper discussed the idea of buffer therapy in cancer, focusing on whether neutralising tumour acidity could help make the cancer microenvironment less favourable to invasion and spread. It is not the kind of large human cohort study that proves risk reduction, but it is useful because it connects the alkaline discussion to the biology of tumour acidity rather than leaving the topic at the level of food lists and theory.
The relevance here is that cancer acidity is one of the main mechanistic arguments in this field. Papers like this help explain why researchers became interested in alkalization strategies in the first place.
Taken alongside the stronger human studies on breast cancer risk, cancer prognosis, and dietary acid load, it gives the cancer section more depth and helps show that the mechanistic and epidemiological sides of the literature are pointing in a compatible direction.
Examining the relationship between diet-induced acidosis and cancer
Robey, Ian F.. 2012. Nutrition & Metabolism.
Robey’s paper explored how an acidic internal and tumour environment may help cancer behave more aggressively and why alkalisation keeps appearing as a potentially useful strategy. It is important because it explains the biological logic behind the later human studies rather than asking readers to take the cancer section on faith. In other words, it helps show why the alkaline idea fits the biology.
Key takeaway: Tumour acidity is not trivial, and this paper explains why lowering that acidic pressure may matter.
Insulin resistance and cancer risk: an overview of the pathogenetic mechanisms
Arcidiacono, Bruno, et al.. 2012. Experimental Diabetes Research.
This paper mapped the mechanisms linking insulin resistance with cancer risk, which matters here because higher dietary acid load repeatedly tracks with poorer insulin sensitivity. It strengthens the alkaline argument by showing one plausible metabolic route through which an acid-forming diet may contribute to cancer vulnerability. That makes the cancer section feel more connected to the diabetes section, not separate from it.
Key takeaway: Anything that worsens insulin resistance can matter for cancer risk, and dietary acid load sits right in that conversation.
Acidity generated by the tumor microenvironment drives local invasion
Estrella, Violeta, et al.. 2013. Cancer Research.
This experimental paper is one of the clearest demonstrations that acidity in the tumour microenvironment is not neutral. It showed that acidity can actively drive local invasion, which gives real weight to the idea that buffering or reducing acidity may be supportive. For the alkaline case, that is a very important mechanistic finding.
Key takeaway: Tumour acidity appears to help cancers invade, which makes alkalisation a very plausible supportive strategy.
Effects of an Alkaline Diet on EGFR-TKI Therapy in EGFR Mutation-Positive NSCLC
Hamaguchi, Reo, et al.. 2017. Anticancer Research.
This retrospective clinical study looked at lung-cancer patients receiving EGFR-TKI therapy and found that the alkaline-diet group had better treatment outcomes, including longer progression-free and overall survival. It is exactly the kind of paper that makes readers sit up because it moves beyond theory and into real clinical experience. It is not the final word, but it is undeniably encouraging.
Key takeaway: Adding an alkaline approach to targeted therapy was associated with better lung-cancer outcomes.
Park, Yong-Moon Mark, Susan E. Steck, Teresa T. Fung, Anwar T. Merchant, M. Elizabeth Hodgson, Jean A. Keller, and Dale P. Sandler. 2019. International Journal of Cancer.
This large prospective cohort study asked whether women eating a more acid-forming diet were more likely to develop breast cancer over time. They were, and the signal was especially notable for ER-negative and triple-negative disease. For a human prospective study, that is one of the strongest cancer findings in the whole guide.
Key takeaway: Higher dietary acid load was linked with higher breast-cancer risk, including more aggressive subtypes.
Hamaguchi, Reo, et al.. 2020. In Vivo.
This study examined alkalisation therapy alongside chemotherapy in advanced pancreatic cancer and reported better outcomes in the alkalisation group. Given how difficult pancreatic cancer is to move meaningfully with any intervention, that is a striking signal. It makes the adjunctive cancer literature genuinely exciting.
Key takeaway: Even in advanced pancreatic cancer, alkalisation therapy was associated with better chemotherapy outcomes.
Dietary acid load and lung cancer risk: A case-control study in men and women
Ronco, Alvaro L., et al.. 2021. Cancer Treatment and Research Communications.
This case-control study extended the cancer literature beyond breast cancer by showing that a more acid-forming dietary pattern was associated with lung-cancer risk in both men and women. That matters because it broadens the cancer signal into another major cancer type. It suggests the issue is not confined to one organ system.
Key takeaway: A higher acid-forming diet was linked with higher lung-cancer risk as well as breast-cancer risk.
Wang, Ran, et al.. 2022. Frontiers in Nutrition.
This updated meta-analysis pooled the observational cancer data and concluded that higher dietary acid load is associated with higher cancer risk and poorer prognosis. It adds real strength because it brings risk and outcomes into the same conversation. That gives the alkaline-diet case more clinical depth.
Key takeaway: Higher acid load looked unfavourable both for developing cancer and for doing well after diagnosis.
Keramati, Majid, et al.. 2022. Frontiers in Nutrition.
This meta-analysis pooled the observational literature and again found that higher dietary acid load was associated with greater cancer risk. The value here is replication. When multiple pooled analyses keep pointing in the same direction, the overall cancer case becomes much harder to brush aside.
Key takeaway: Another pooled analysis found the same thing: more acid-forming diets line up with more cancer.
Bahrami, Alireza, et al.. 2022. European Journal of Cancer Prevention.
This dose-response meta-analysis pooled the observational cancer literature and found that cancer risk rose as dietary acid load rose. That is exactly the kind of paper you want in an evidence guide because it shows the signal survives when multiple datasets are combined. It moves the conversation well beyond one interesting cohort.
Key takeaway: When the cancer evidence was pooled, higher acid load still tracked with higher cancer risk.
Diet-dependent acid load and the risk of breast cancer
Heidari, Zahra, et al.. 2023. Clinical Nutrition ESPEN.
This study focused specifically on breast cancer and reported that women consuming a more acid-forming diet had higher breast-cancer risk. That is very useful because it reinforces the Sister Study signal in another population. Replication is exactly what you want to see in a serious evidence guide.
Key takeaway: The breast-cancer signal held up again in a separate study, which strengthens the case considerably.
Dietary acid load and cancer risk: a review of the Uruguayan experience
Ronco, Alvaro L., and Maximilian A. Storz. 2023. Nutrients.
This review pulled together the Uruguayan cancer literature and highlighted how often dietary acid load has shown up as an unfavourable signal across cancer studies from that research group. It is valuable because it gives the section a coherent regional body of work rather than isolated one-off papers. It shows persistence of the cancer signal over time.
Key takeaway: The Uruguayan experience adds another sustained line of evidence linking higher acid load with cancer risk.
Effects of Alkalization Therapy on Hepatocellular Carcinoma: A Retrospective Study
Isowa, Masahide, et al.. 2023. Frontiers in Oncology.
This retrospective study looked at hepatocellular carcinoma patients receiving alkalisation therapy and reported more favourable outcomes, particularly in those who achieved a higher urine pH. That is encouraging because it suggests the cancer-acidity issue may have practical therapeutic relevance, not just theoretical relevance. It adds another clinical signal to the adjunctive alkalisation story.
Key takeaway: Better alkalisation was associated with better liver-cancer outcomes in this study.
Association between dietary acid load and cancer: An updated systematic review and meta-analysis
Nikpayam, Omid, et al.. 2024. JHEP Reports.
This updated meta-analysis continued the same overall message: higher dietary acid load is linked with higher cancer risk. Its importance lies in showing that the cancer signal has survived repeated evidence updates rather than fading away. That kind of consistency is exactly what builds confidence.
Key takeaway: The more the cancer literature is updated, the more the higher-acid pattern keeps looking unfavourable.
Alkaline Diet Evidence for Type 2 Diabetes / Insulin Resistance Studies
This is one of the strongest sections in the whole guide. The literature here is now broad enough that it no longer rests on one or two studies. We now have major cohorts, dose-response meta-analyses, mechanistic papers, and newer metabolic syndrome work pointing in the same general direction.
Acid-base balance may influence risk for insulin resistance syndrome by modulating cortisol output
McCarty, Mark F.. 2005. Medical Hypotheses.
This paper proposed an important mechanism linking acid-base balance, cortisol output, and insulin resistance. If a more acid-forming diet nudges cortisol and stress physiology in the wrong direction, it gives us one more reason why metabolic health may suffer. It is an early but very useful way of connecting alkaline eating with insulin sensitivity.
Key takeaway: Acid load may worsen insulin resistance partly through stress-hormone pathways.
Association between dietary acid-base load and cardiometabolic risk factors in young Japanese women
Murakami, Kentaro, et al.. 2008. British Journal of Nutrition.
This study showed that even in relatively young women, a higher dietary acid load tracked with a less favourable cardiometabolic profile. That is useful because it suggests the metabolic signal appears before obvious disease develops. It supports the idea that alkaline-forming eating is a preventive strategy, not just a damage-control strategy.
Key takeaway: A more acid-forming diet was already linked with worse metabolic markers in younger adults.
Plasma bicarbonate and risk of type 2 diabetes mellitus
Mandel, Evan I., et al.. 2012. CMAJ.
This study found that lower plasma bicarbonate, which reflects a more acidic internal state, was associated with a higher risk of developing type 2 diabetes. That is a powerful finding because it links acid-base status itself, not just food questionnaires, with future metabolic disease. It gives the alkaline case another angle of support.
Key takeaway: A more acidic internal profile was linked with higher future diabetes risk.
Dietary acid load and risk of type 2 diabetes: the E3N-EPIC cohort study
Fagherazzi, Guy, et al.. 2014. Diabetologia.
This large cohort study reported that women eating a more acid-forming diet had a higher risk of type 2 diabetes. It is an important paper because it shows the signal in a major prospective European cohort, not just in one country or one design. The diabetes story keeps reproducing.
Key takeaway: Higher dietary acid load predicted higher type 2 diabetes risk in a major cohort.
Haghighatdoost, Fahimeh, et al.. 2015. Nutrition.
This study looked at patients who already had diabetic nephropathy and found that higher dietary acid load was associated with a worse cardiovascular risk-factor profile. That matters because it suggests acid load continues to matter even in patients who already have serious metabolic and renal disease. A lower-acid pattern looks helpful even late in the story.
Key takeaway: Higher acid load lined up with a worse cardiovascular risk picture in diabetic nephropathy.
Han, Eunju, et al.. 2016. Cardiovascular Diabetology.
Using nationwide Korean survey data, this study linked higher dietary acid load with a worse cardiovascular risk profile. It broadens the metabolic case by showing that the same acid-forming pattern that tracks with insulin resistance also looks unfavourable for cardiovascular health. The alkaline pattern keeps winning on the bigger metabolic picture.
Key takeaway: Higher dietary acid load tracked with more cardiovascular risk in a national dataset.
Williams, Rebecca S., et al.. 2016. Clinical Nutrition.
This paper brought together human data showing that a more acidic metabolic state can impair insulin action and worsen glucose handling. The overfeeding angle is especially useful because it helps show that the effect is not just a statistical coincidence in cohorts. There is a plausible physiological effect in humans.
Key takeaway: Human feeding data support the idea that acid load can push insulin sensitivity in the wrong direction.
Akter, Shamima, et al.. 2016. Journal of Nutrition.
This Japanese cohort study showed that men with a higher dietary acid load had a greater risk of developing type 2 diabetes. It is a strong paper because it adds a large Asian cohort to the evidence base and shows the diabetes signal is not limited to Western populations. That breadth matters.
Key takeaway: The diabetes association holds up in major Asian cohort data as well.
Akter, Shamima, et al.. 2016. Clinical Nutrition.
This study reported a clear positive association between higher dietary acid load and insulin resistance. It is especially helpful because it goes straight to the metabolic mechanism at the heart of type 2 diabetes rather than only looking at later disease diagnosis. That makes the alkaline case feel more immediate.
Key takeaway: A more acid-forming diet was linked with more insulin resistance, which is exactly the wrong direction metabolically.
The role of dietary acid load and mild metabolic acidosis in insulin resistance in humans
Williams, Rebecca S., et al.. 2016. Biochimie.
This review argued that even mild chronic acidosis may help drive insulin resistance in humans. It is useful because it pulls together mechanistic and clinical evidence into one argument. The alkaline-diet story is not just about epidemiology. It has a clear biological rationale.
Key takeaway: Mild metabolic acidosis looks like a real contributor to insulin resistance.
Diet-dependent acid load and type 2 diabetes: pooled results from three prospective cohort studies
Kiefte-de Jong, Jessica C., et al.. 2017. Diabetologia.
This was one of the landmark diabetes papers because it pooled three major prospective cohorts and showed that people eating the most acid-forming diets had a higher risk of developing type 2 diabetes. The sheer size of the dataset makes the finding hard to dismiss. It is one of the clearest signals that alkaline-forming eating matters for metabolic health.
Key takeaway: Across huge prospective cohorts, higher acid load consistently predicted higher type 2 diabetes risk.
Jayedi, Ahmad, et al.. 2018. Clinical Nutrition ESPEN.
This meta-analysis strengthened the diabetes case by showing that the positive association between dietary acid load and type 2 diabetes risk held up across prospective studies. The dose-response angle is especially valuable because it suggests that as acid load rises, diabetes risk rises with it. That is exactly the pattern you would hope to see if the relationship is real.
Key takeaway: The diabetes signal strengthens when you look at the evidence in dose-response form.
Insulin Sensitivity and Glucose Homeostasis Can Be Influenced by Metabolic Acid Load
Della Guardia, Luca, et al.. 2018. Nutrients.
This paper focused on glucose control directly and showed that metabolic acid load can influence insulin sensitivity and glucose homeostasis. That is exactly the kind of finding that makes alkaline-forming eating look metabolically strategic rather than merely fashionable. It points to a controllable lever.
Key takeaway: Glucose control is not separate from acid load. It is influenced by it.
Gæde, Jakob, et al.. 2018. Nutrients.
This population-based Danish work linked higher dietary acidity load with poorer insulin sensitivity and a higher likelihood of diabetes. It is useful because it adds another national population and another design to the same overall story. Again, the signal repeats.
Key takeaway: The acid-load and diabetes link shows up again in Danish population data.
Abbasalizad Farhangi, Mahdieh, et al.. 2019. PLoS One.
This updated meta-analysis showed that higher dietary acid load was associated with more obesity and higher triglycerides. That is a major metabolic finding because those two features sit right inside insulin resistance and metabolic syndrome. It shows that acid load is tied to the broader metabolic cluster, not only to diabetes itself.
Key takeaway: Higher acid load was linked with more obesity and worse triglycerides in pooled data.
Arisawa, Kiyoshi, et al.. 2020. Nutrients.
This large Japanese study found that higher dietary acid load was associated with a higher prevalence of metabolic syndrome. That is a very practical result because metabolic syndrome is where modern chronic disease often begins. An alkaline-forming pattern looks strongly favourable here.
Key takeaway: Higher acid load lined up with a more common metabolic syndrome pattern in a very large population.
Dietary Acid Load and Cardiometabolic Risk Factors-A Narrative Review
Ostrowska, Joanna, et al.. 2020. Nutrients.
This review pulled together the evidence linking dietary acid load with blood sugar, lipids, blood pressure, adiposity, and insulin resistance. It is useful because it shows how well the pieces fit together once you stop looking at each marker in isolation. The alkaline-diet signal is cardiometabolic from top to bottom.
Key takeaway: The cardiometabolic literature increasingly points in one direction: lower acid load looks better.
Dehghan, Parvin, and Mahdieh Abbasalizad Farhangi. 2020. International Journal of Clinical Practice.
Dehghan and colleagues showed that higher dietary acid load lines up with higher fasting blood sugar, higher blood pressure, and worse markers of insulin resistance. That makes this one of the most useful metabolic papers in the whole guide because it ties alkaline-forming eating to the cardiometabolic cluster rather than one isolated disease. It shows the signal is broad.
Key takeaway: Higher acid load was linked with a worse blood sugar and blood pressure picture overall.
Lee, Kyung Won, and Dayeon Shin. 2020. Nutrition Journal.
This Korean prospective study showed that higher dietary acid load predicted a greater future risk of insulin resistance. That matters because it moves the story beyond cross-sectional snapshots and into what happens over time. It gives the metabolic section more predictive power.
Key takeaway: Higher acid load did not just track with current insulin resistance. It predicted more of it in the future.
The effect of body acid-base state and manipulations on glucose metabolism
Chalmers, Elena, et al.. 2020. Clinical Science.
This paper looked directly at how acid-base status and alkalising manipulations affect glucose metabolism. That is exciting because it means the alkaline discussion is not only about long-term observational patterns. It also reaches into intervention and mechanism.
Key takeaway: Changing acid-base status can change glucose metabolism, which is exactly the kind of evidence the field needs.
Dietary acid load is positively associated with insulin resistance in adults
Smeha, Luiza, et al.. 2022. Clinical Nutrition.
This study found that adults eating a more acid-forming diet had higher insulin resistance. It is simple, direct, and useful. Not every important paper has to be complicated to strengthen the alkaline case.
Key takeaway: Another study found exactly what you would expect: higher acid load, more insulin resistance.
Sanz, José M., et al.. 2022. Frontiers in Nutrition.
This study is especially interesting because dietary acid load showed a clear relationship with metabolic and cardiovascular health state, whereas Mediterranean diet adherence score did not explain the picture as well in that cohort. That gives DAL more standalone weight. It suggests acid load itself is a meaningful variable, not just a proxy for generic healthy eating.
Key takeaway: DAL emerged as a stronger discriminator of metabolic and cardiovascular health than a broad diet score in this study.
Higher dietary acid load is strongly associated with an increased risk of metabolic syndrome
Seifi, Nazanin, et al.. 2023. Scientific Reports.
This study reported a strong positive association between higher dietary acid load and metabolic syndrome. That matters because it reinforces the idea that acid load is tied to the whole metabolic breakdown pattern, not merely one lab marker. It is a very useful supporting study.
Key takeaway: Higher acid load went hand in hand with a higher risk of metabolic syndrome.
Al-Hawary, S. I. S., et al.. 2023. Frontiers in Nutrition.
This dose-response meta-analysis found that higher dietary acid load was associated with a higher likelihood of metabolic syndrome. That matters because metabolic syndrome sits at the centre of modern chronic disease, covering abdominal fat gain, insulin resistance, lipids, and blood pressure. A lower-acid diet therefore looks like a meaningful metabolic advantage.
Key takeaway: As dietary acid load increased, metabolic syndrome risk increased too.
Armin, Maryam, et al.. 2023. Nutrition Journal.
This randomised trial is one of the nicest practical papers in the guide because it moved from association to intervention. Patients with type 2 diabetes assigned to a lower renal acid load diet improved blood pressure, lipid profile, and blood-glucose-related markers. That is exactly the kind of result readers want to see.
Key takeaway: Lowering dietary acid load produced measurable metabolic improvements in people with type 2 diabetes.
Dolati, Shamim, et al.. 2024. Nutrition, Metabolism and Cardiovascular Diseases.
This updated meta-analysis showed that higher dietary acid load was associated with a worse cardiometabolic profile, including blood pressure, body-size measures, and triglycerides. It is one of the best broad metabolic papers because it confirms that the alkaline story extends across multiple linked risk factors. It makes the evidence base feel mature.
Key takeaway: The pooled cardiometabolic evidence keeps favouring a lower-acid dietary pattern.
The association between dietary acid load and indices of insulin resistance among Iranian adults
Abdollahpour, N., et al.. 2024. Scientific Reports.
This study added another modern adult population to the evidence base and found that higher dietary acid load was associated with indices of insulin resistance. That continued replication matters. It shows the insulin-resistance signal is still appearing in newer data, not only older studies.
Key takeaway: A more acid-forming diet was again linked with worse insulin-resistance markers.
Alkaline Diet & Hypertension, Heart Disease, Blood Pressure Studies
Blood pressure and broader cardiometabolic strain are highly relevant because they help show that dietary acid load is not a niche kidney-only concept. It clearly matter in the larger chronic disease picture too, including mortality.
Diet-Dependent Net Acid Load and Risk of Incident Hypertension in US Women
Zhang, Lin, Gary C. Curhan, and John P. Forman. 2009. Hypertension.
This prospective study found that women eating a more acid-forming diet had a higher risk of developing hypertension. It is important because it shows the blood-pressure story in a large real-world population over time. That kind of prospective evidence is exactly what you want.
Key takeaway: Higher diet-dependent acid load predicted more hypertension in US women.
Urinary calcium and magnesium excretion relate to an increase in blood pressure during pregnancy
Nielsen, T. F., and Ragnar Rylander. 2011. Archives of Gynecology and Obstetrics.
This study linked mineral losses that are closely tied to acid-base handling with rising blood pressure during pregnancy. It is useful because it highlights one of the practical downstream ways an acid-forming physiology may influence blood-pressure control. Mineral balance and acid-base balance are not separate issues.
Key takeaway: The mineral consequences of acid-base imbalance can feed directly into blood-pressure problems.
Dietary acid load and risk of hypertension: the Rotterdam Study
Engberink, Marianne F., et al.. 2012. American Journal of Clinical Nutrition.
The Rotterdam Study showed that higher dietary acid load was associated with a higher risk of hypertension. This is an important cohort because it adds European data to the same overall pattern seen elsewhere. The blood-pressure signal keeps repeating in different populations.
Key takeaway: A more acid-forming diet predicted more hypertension in another major cohort.
Plasma bicarbonate and odds of incident hypertension
Mandel, Evan I., et al.. 2013. American Journal of Hypertension.
This study found that bicarbonate status, a marker connected to acid-base balance, was linked with future hypertension risk. That is valuable because it supports the idea that the issue is not only dietary questionnaires. Internal acid-base status itself appears to matter.
Key takeaway: A more acidic internal profile was linked with higher odds of hypertension.
Akter, Shamima, et al.. 2015. Nutrition.
This study reported a strong association between higher dietary acid load and hypertension prevalence. It is direct, practical, and easy to understand. It tells the reader plainly that a more acid-forming diet tracks with higher blood pressure.
Key takeaway: Higher acid load lined up clearly with more hypertension.
Xu, Hong, et al.. 2016. Journal of Nutrition.
This paper reported that dietary acid load was meaningfully related to both all-cause and cardiovascular mortality. Even if the curve was not perfectly linear, the broader message is still clear: an unfavourable acid-load pattern is not benign. Mortality data give the alkaline argument serious weight.
Key takeaway: Dietary acid load reached all the way to mortality outcomes, not just minor risk markers.
Akter, Shamima, et al.. 2017. American Journal of Clinical Nutrition.
This large Japanese cohort found that higher dietary acid load was associated with higher total mortality and cardiovascular mortality. That is a major result because it moves the conversation from risk factors to hard outcomes. It makes the evidence feel much more consequential.
Key takeaway: Higher acid load was linked with higher all-cause and cardiovascular mortality in a major prospective study.
Parohan, Mahdi, et al.. 2019. Nutrition, Metabolism and Cardiovascular Diseases.
This dose-response meta-analysis found that hypertension risk rose as dietary acid load rose. That is exactly the kind of pattern that strengthens confidence in a relationship. It shows the signal is not random.
Key takeaway: As acid load increased, hypertension risk increased too.
Abbasalizad Farhangi, Mahdieh, et al.. 2019. PLoS One.
This study found that dietary acid load significantly predicted long-term survival after coronary artery bypass grafting. That is striking because it shows acid load matters even in people with serious established cardiovascular disease. It is a reminder that the alkaline story is not only preventive.
Key takeaway: Dietary acid load predicted 10-year survival after major heart surgery.
Chen, Shu-Wei, et al.. 2019. Clinical Nutrition ESPEN.
This pooled analysis again found that higher dietary acid load was associated with elevated hypertension risk. Its value lies in reinforcement. When repeated meta-analyses reach the same broad conclusion, the blood-pressure case becomes very hard to dismiss.
Key takeaway: Another meta-analysis came to the same conclusion: higher acid load means more hypertension risk.
Lin, Fang, et al.. 2023. Nutrients.
This systematic review and meta-analysis found that adults with higher dietary acid load had a higher likelihood of hypertension. It is another strong pooled piece of evidence in favour of alkaline-forming eating. At this point the hypertension section looks genuinely deep.
Key takeaway: The pooled adult data again point to the same outcome: higher acid load, more hypertension.
Assessing the role of dietary acid load in the development of hypertensive disorders of pregnancy
Safarpour, Fatemeh, et al.. 2024. BMC Pregnancy and Childbirth.
This study extended the blood-pressure conversation into pregnancy and found that dietary acid load may play a role in hypertensive disorders of pregnancy. That is a valuable expansion because it shows the acid-load issue is relevant in another important clinical setting. It broadens the reach of the alkaline case.
Key takeaway: The blood-pressure signal may matter even in pregnancy-related hypertension.
Association between dietary acid load and cardiovascular and all-cause mortality in Iranian adults
Bakhshi, H., et al.. 2025. Scientific Reports.
This study found that higher dietary acid load was associated with both cardiovascular and all-cause mortality in Iranian adults. It is helpful because it adds a modern prospective dataset from another part of the world. Mortality findings that keep reappearing are hard to ignore.
Key takeaway: Higher acid load again lined up with higher cardiovascular and all-cause mortality.
Dietary Acid Load and the Risk of All-Cause Mortality
Hajizadeh-Sharafabad, Farid, et al.. 2025. Nutrition Reviews.
This meta-analysis focused on all-cause mortality and found that higher dietary acid load was associated with a higher risk of death. That is one of the most impactful endpoints in the whole guide. It helps show that alkaline-forming eating is not just about optimising lab markers. It reaches into longevity.
Key takeaway: Higher dietary acid load was linked with higher all-cause mortality in pooled evidence.
Dietary acid load and mortality in the Japan Multi-Institutional Collaborative Cohort Study
Unohara, Takashi, et al.. 2025. Scientific Reports.
This cohort study found that higher dietary acid load was associated with mortality in the J-MICC population. It is another strong modern mortality paper and a very useful update for the guide. The long-term outcome data continue to stack up.
Key takeaway: The mortality signal for high acid load continues to appear in newer cohort work.
Alkaline Diet Evidence for Osteoporosis / Bone Health
Bone is one of the classic alkaline-diet talking points. The modern literature is more nuanced than some old internet claims suggest, but it still contains important supportive work, especially around mineral buffering, calcium excretion, alkaline potassium salts, and fracture risk.
Diet acids and alkalis influence calcium retention in bone
Buclin, Thierry, et al.. 2001. Osteoporosis International.
This paper showed that acid and alkali loads affect calcium retention in bone, which gets straight to the heart of the bone-health argument. It supports the idea that a more alkaline mineral environment is friendlier to skeletal maintenance. That is a foundational bone paper.
Key takeaway: Bone calcium balance responds to acid-base load, which strongly favours alkaline-forming eating.
The acid-base hypothesis: diet and bone in the Framingham Osteoporosis Study
Tucker, Katherine L., Marian T. Hannan, and Douglas P. Kiel. 2001. European Journal of Nutrition.
This Framingham paper explored whether the acid-base characteristics of the diet were reflected in bone outcomes. It is important because it brought the hypothesis into a major long-running human cohort. That gives the bone section real epidemiological weight.
Key takeaway: Bone health and dietary acid-base balance were connected in a landmark population study.
Chronic acidosis-induced alteration in bone bicarbonate and phosphate
Bushinsky, David A., et al.. 2003. American Journal of Physiology Renal Physiology.
This paper showed that chronic acidosis can alter bone bicarbonate and phosphate handling, supporting the idea that bone acts as part of the body’s buffering system. That is mechanistically important because it explains why a more acid-forming diet may carry a skeletal cost over time. It makes the bone section biologically credible.
Key takeaway: Chronic acidosis changes bone chemistry, which helps explain why alkaline-forming diets may protect bone.
Fruit and vegetables, bone health, and osteoporosis prevention: an overview of the evidence
Lanham-New, Susan A.. 2008. Journal of Nutrition.
This review highlighted how fruit and vegetable intake supports bone health, partly through the alkaline minerals they provide. It is useful because it translates the acid-base conversation into everyday dietary advice. More plant food looks like a win for bone on multiple levels.
Key takeaway: The same foods that make the diet more alkaline also look strongly supportive for bone health.
Dawson-Hughes, Bess, et al.. 2009. Journal of Clinical Endocrinology & Metabolism.
This intervention study is one of the nicest bone papers because it showed that potassium bicarbonate lowered urinary calcium loss and bone resorption in older adults. That is a very practical result. It suggests that giving the body more alkali can reduce the need to draw on bone as a buffer.
Key takeaway: Alkali support directly reduced calcium loss and bone breakdown.
Fenton, Tanis R., et al.. 2011. Nutrition Journal.
This paper went a step further than a standard review by asking whether the DAL-bone relationship looks causal using Hill’s criteria. That is important because it takes the bone debate seriously and tests it rigorously. The conclusion supports the idea that acid load is meaningfully involved in bone disease.
Key takeaway: This was not just a summary paper. It asked whether the bone link looks causal, and that is a big plus for the alkaline case.
The effect of supplementation with alkaline potassium salts on bone metabolism: a meta-analysis
Lambert, Heather, et al.. 2015. Osteoporosis International.
This meta-analysis found that alkaline potassium salts improve markers of bone metabolism. That matters because it is intervention evidence, not just observational evidence. It shows that giving the body more alkali can move bone-related outcomes in a favourable direction.
Key takeaway: Alkali supplementation improved bone-metabolism markers in pooled analysis.
de Jonge, Elisabeth A. L., et al.. 2017. Osteoporosis International.
This Rotterdam Study paper linked higher dietary acid load with poorer trabecular bone integrity and less favourable bone-density measures in an ageing population. That makes the skeletal signal feel much more real in everyday ageing, not just in theory. It is a strong modern human paper.
Key takeaway: Higher acid load looked unfavourable for bone structure and density in older adults.
García-Gavilán, Jesús Francisco, et al.. 2021. Journal of Nutrition.
This paper reported that dietary acid load was related to osteoporotic fracture risk in two high-risk populations. Even with a U-shaped pattern, the practical message is still that acid load is a meaningful variable for fracture outcomes. It gives the bone section another hard clinical endpoint.
Key takeaway: Fracture risk, not just bone markers, was tied to dietary acid load in this study.
Dietary Acid Load Was Positively Associated with the Risk of Osteoporosis in Postmenopausal Women
Li, Chao-Feng, et al.. 2022. Nutrients.
This study found that postmenopausal women with a higher dietary acid load had a higher risk of osteoporosis. That is exactly the sort of clinically relevant population where the alkaline argument matters. It supports the idea that a lower-acid diet may be especially valuable after menopause.
Key takeaway: In postmenopausal women, higher acid load was linked with more osteoporosis.
Dietary Acid Load and Bone Health: A Systematic Review and Meta-Analysis of Observational Studies
Gholami, Fatemeh, et al.. 2022. Frontiers in Nutrition.
This systematic review and meta-analysis pulled the bone literature together and found that a higher acid load was unfavourable for bone-related outcomes, especially where NEAP was concerned. It is a valuable big-picture paper because it helps show that the skeletal signal is not resting on one or two isolated studies. The bone story is broader than that.
Key takeaway: The pooled bone literature still points toward lower acid load being the safer skeletal direction.
Dietary acid load is strongly associated with primary osteoporosis in postmenopausal women
Farshbaf-Khalili, Azam, et al.. 2023. Food Science & Nutrition.
This paper again reported a strong positive association between dietary acid load and osteoporosis in postmenopausal women. Replication like this is exactly what makes the section more convincing. It suggests the bone signal is not a fluke.
Key takeaway: The osteoporosis link showed up again in another postmenopausal cohort.
Mirzababaei, Atieh, et al.. 2025. BMC Musculoskeletal Disorders.
This meta-analysis focused on fracture risk and found that higher dietary acid load was associated with more osteoporotic fractures. That is an especially useful addition because fracture is a clinically meaningful endpoint. It gives the bone section a stronger real-world outcome.
Key takeaway: Higher acid load was linked with more osteoporotic fractures in pooled evidence.
Alkaline Diet & Renal Stones
Kidney stones remain one of the most intuitively persuasive areas for alkaline-forming nutrition because urinary acidity, citrate handling, and acid excretion are directly involved in stone risk.
Acid-base metabolism: implications for kidney stones formation
Hess, Bernhard. 2006. Urological Research.
This paper explained why acid-base metabolism is central to kidney-stone formation, especially through urine chemistry. A more acidic urine environment can favour certain stones, while more alkaline dietary patterns tend to be more protective. It gives the renal-stone section a very intuitive physiological backbone.
Key takeaway: Urine acidity is a key stone-forming factor, which is one reason alkaline-forming eating makes sense here.
Trinchieri, Alberto, et al.. 2006. Urological Research.
This study showed that the PRAL of the diet affects urinary citrate excretion in calcium stone formers. That is important because citrate helps protect against stones. A lower-acid diet therefore looks protective in a very direct, measurable way.
Key takeaway: Lower acid load supported a more stone-protective urinary citrate profile.
Dietary Protein and Potassium, Diet-Dependent Net Acid Load, and Risk of Incident Kidney Stones
Taylor, Eric N., Gary C. Curhan, and John P. Forman. 2009. Clinical Journal of the American Society of Nephrology.
This study linked higher diet-dependent acid load with a greater risk of incident kidney stones, while potassium-rich eating looked more protective. It is a strong practical paper because it translates the acid-base story into food choices people can actually make. More plants and less acid load is the direction you want.
Key takeaway: Higher acid load and lower potassium intake made kidney stones more likely.
Increasing body pH balance to prevent uric acid stones
Sakhaee, Khashayar. 2009. Journal of Urology.
This paper focused on uric acid stone prevention and the role of raising urinary pH to make the urinary environment less favourable for stone formation. That makes it one of the clearest real-world examples of why acid-base balance matters clinically rather than just academically.
In practical terms, it supports the idea that a more alkaline-forming dietary pattern can help shift urinary chemistry in a direction that reduces risk for certain stone types.
That is why kidney stones remain one of the most intuitive and persuasive sections in the whole alkaline evidence story.
Association between the intensity of citrate excretion and risk of kidney stones
Penniston, Kristina L., et al.. 2014. Urology.
This study looked at urinary citrate, which is important because citrate can inhibit stone formation and is influenced by acid-base balance. Lower urinary citrate often travels with a more acidifying milieu, while improving alkali intake can push things in the opposite direction.
That makes this a useful supporting paper for the stone section, because it adds another layer beyond simple urine pH and shows that acid load affects multiple aspects of stone chemistry.
Alongside the larger kidney-stone papers, it helps explain why a plant-rich, alkaline-forming diet is protective in practice.
Dietary acid load and kidney stone risk in adults
Siener, Roswitha. 2016. World Journal of Urology.
This paper examined kidney stone risk through the lens of diet and acid load, helping connect overall dietary pattern with urinary conditions that favour or discourage stones. It is a helpful bridge between the pure physiology literature and the more practical nutrition advice around stone prevention.
What makes it useful here is that it reinforces the idea that stone risk is not just about one nutrient in isolation. The overall acid-forming or alkali-forming nature of the diet matters too.
That gives extra weight to the case for using more alkaline-forming foods as part of a broader stone-prevention strategy.
Alkaline Diet & Chronic Kidney Disease
This is one of the strongest and most practical parts of the evidence base. The kidney has to handle the acid load of the diet, so it makes sense that this section has become one of the best developed in the literature.
Goraya, Nimrit, et al.. 2012. Kidney International.
This intervention study showed that reducing dietary acid with fruits and vegetables or bicarbonate attenuated kidney injury in patients with hypertensive nephropathy. That is a major finding because it demonstrates that lowering acid load is not just theoretically good for the kidney. It can change clinical markers in the right direction.
Key takeaway: Reducing acid load with food or bicarbonate actively protected the kidney in this trial.
Goraya, Nimrit, et al.. 2012. American Journal of Nephrology.
This study showed that simply treating CKD-related acidosis with fruits and vegetables reduced kidney injury in patients with moderately reduced GFR. That is one of the most exciting kidney papers in the guide because it uses food, not just drugs, to move the outcome. It is a very alkaline result in the best sense.
Key takeaway: Fruit and vegetable treatment measurably reduced kidney injury in CKD.
Dietary acid load: a novel nutritional target in chronic kidney disease
Scialla, Julia J., and Dominic S. Raj. 2013. Advances in Chronic Kidney Disease.
This paper framed dietary acid load as a novel nutritional target in CKD, which is exactly right. The kidney is the organ that has to handle the acid burden, so dietary acid load is a logical and powerful variable to manage. It helped move the field toward practical intervention.
Key takeaway: DAL is not a side issue in CKD. It is a genuine therapeutic target.
Goraya, Nimrit, et al.. 2013. Kidney International.
This study showed that correcting metabolic acidosis with fruits and vegetables or sodium bicarbonate reduced kidney injury and preserved eGFR. That is hard to overstate. It is exactly the sort of intervention paper that makes the whole alkaline argument look practical, not theoretical.
Key takeaway: Lowering acid burden helped preserve kidney function in CKD.
Dietary acid intake and kidney disease progression in the elderly
Kanda, Eriko, et al.. 2014. American Journal of Nephrology.
This study reported that higher dietary acid intake was associated with faster kidney-disease progression in older adults. That is a very important real-world finding because it suggests dietary acid load influences where the kidney story goes next, not just where it is today. It adds predictive value.
Key takeaway: Higher acid intake was linked with faster kidney decline in older adults.
High Dietary Acid Load Predicts ESRD among Adults with CKD
Banerjee, Tanushree, et al.. 2015. Journal of the American Society of Nephrology.
This paper found that high dietary acid load predicted end-stage renal disease among adults who already had CKD. That is one of the hardest kidney endpoints possible. It gives the renal section serious clinical weight.
Key takeaway: Higher acid load predicted progression all the way to ESRD.
DASH (Dietary Approaches to Stop Hypertension) Diet and Risk of Subsequent Kidney Disease
Rebholz, Casey M., et al.. 2016. American Journal of Kidney Diseases.
This study found that better adherence to the DASH pattern, which is naturally more alkaline-forming, was linked with a lower risk of subsequent kidney disease. It is a nice translational paper because it shows how a mainstream dietary pattern overlaps with the alkaline message. Lower acid load is not fringe. It fits with recognised healthy eating patterns.
Key takeaway: A more plant-rich, lower-acid DASH-style pattern was linked with less kidney disease.
Dietary Acid-Base Load and Risk of Chronic Kidney Disease in Adults: Tehran Lipid and Glucose Study
Asghari, G., et al.. 2016. American Journal of Nephrology.
This adult cohort study found that higher dietary acid-base load was associated with a higher risk of chronic kidney disease. It adds another national population and another modern dataset to the kidney evidence base. The signal is remarkably consistent.
Key takeaway: Higher acid-base load again predicted more CKD risk.
Passey, Caroline. 2017. Journal of Renal Nutrition.
This review spelled out the practical case for using a more alkaline diet in CKD care. It explained why fruit and vegetable-rich eating can help lower the acid burden the kidney has to carry. For readers who want the clinical relevance stated plainly, this is a very useful paper.
Key takeaway: A more alkaline dietary pattern is a practical way to lighten the kidney’s acid workload.
Association of dietary acid load with serum bicarbonate in chronic kidney disease patients
Angeloco, L. R. N., et al.. 2020. European Journal of Clinical Nutrition.
This study showed that higher dietary acid load was associated with lower serum bicarbonate in CKD patients. That is exactly the relationship you would expect if acid load is worsening metabolic acidosis. It makes the physiology visible in real patients.
Key takeaway: Higher dietary acid load translated into a less favourable bicarbonate profile in CKD.
Silva, Larissa, et al.. 2021. Nutrition Reviews.
This systematic review found that higher dietary acid load was generally associated with more albuminuria and a worse glomerular filtration rate profile. That is very useful because it points to both injury leakage and filtration capacity. The kidney case gets stronger from multiple angles.
Key takeaway: Higher acid load looked worse for both albuminuria and GFR in the kidney literature.
Mofrad, Maryam Davoodi, et al.. 2021. Advances in Nutrition.
This meta-analysis is one of the strongest kidney papers in the entire field. It found that higher dietary acid load was associated with worse kidney function and a higher risk of chronic kidney disease. Because the kidneys are directly responsible for excreting acid, this is one of the most convincing areas of the alkaline-diet literature.
Key takeaway: The kidney data strongly support the idea that a chronically acid-forming diet is a real physiological burden.
Metabolomics of Dietary Acid Load and Incident Chronic Kidney Disease
Tariq, Abdullah, et al.. 2021. Journal of Renal Nutrition.
This paper used metabolomics to look more deeply at the pathways linking dietary acid load to incident CKD. That is exciting because it moves the field beyond simple questionnaire associations and into biological signatures. It gives the kidney story another layer of credibility.
Key takeaway: The metabolomic data support the idea that dietary acid load is biologically tied to future CKD.
Modestly lower serum bicarbonate is strongly associated with risk of kidney stone formation in chronic kidney disease
Dobre, M., et al.. 2023. Kidney360.
This study linked lower serum bicarbonate with greater kidney stone risk in people with chronic kidney disease, which is important because it extends the acid-base story into a more clinically vulnerable population. It suggests that even modest acid-base impairment may matter when kidney reserve is already reduced.
That makes it more than a stone paper. It also supports the broader kidney section by showing how acid-base balance, bicarbonate status, and renal outcomes can overlap.
Taken with the CKD intervention literature, it helps strengthen the argument that reducing acid burden may have practical benefits in renal health.
Machado, Alisson Diego, et al.. 2024. European Journal of Clinical Nutrition.
This cohort study found that higher dietary acid load was associated with worse outcomes in CKD, including mortality and kidney replacement therapy events. That is a powerful clinical paper because the endpoints are so serious. It makes the acid-load issue feel very real in CKD care.
Key takeaway: Higher acid load was linked with more deaths and more kidney replacement therapy in CKD.
Plant-based diets for kidney disease prevention and treatment
Kim, Hannah, et al.. 2024. Current Opinion in Nephrology and Hypertension.
This review highlighted how plant-based diets, which naturally lower dietary acid load, may help prevent and treat kidney disease. It is useful because it connects the alkaline argument to a much wider and increasingly accepted renal-nutrition conversation. The overlap is strong.
Key takeaway: Plant-rich, lower-acid eating is increasingly recognised as kidney-protective.
Huang, H., et al.. 2025. Frontiers in Nutrition.
This study found that higher dietary acid-base load was associated with CKD progression in patients who had both CKD and type 2 diabetes. That is a particularly important group because they are already at high renal risk. A lower-acid diet looks especially valuable there.
Key takeaway: In CKD plus type 2 diabetes, more acid load was linked with faster progression.
Mahboobi, Somayeh, et al.. 2025. Clinical Kidney Journal.
This systematic review and meta-analysis showed that dietary interventions for metabolic acidosis in CKD improve bicarbonate status and support kidney outcomes. That is huge because it is intervention evidence rather than just association. It shows the alkaline approach can be therapeutic.
Key takeaway: Dietary intervention to lower acid burden produced measurable improvements in CKD.
Alkaline Diet & Muscle Growth/Sports Performance
This part of the literature is smaller than the diabetes or CKD sections, but it is still useful. It helps show that acid-base balance is not just about disease states. It can also matter for muscle retention, body composition, and performance-related physiology.
Welch, Ailsa A., et al.. 2013. Osteoporosis International.
This study found that women eating a more alkaline dietary pattern had greater indices of skeletal muscle mass. That is a very appealing result because it shows the alkaline story is not just about disease avoidance. It may also support body composition and strength-related ageing.
Key takeaway: A more alkaline diet was linked with more skeletal muscle mass in women.
Higher dietary acid load is inversely associated with skeletal muscle mass, strength, and function in older adults
Chan, R., et al.. 2018. Clinical Nutrition.
This study reported that higher dietary acid load was inversely associated with skeletal muscle mass, strength, and function in older adults. That is important because it takes the alkaline discussion beyond disease risk and into performance, ageing, and day-to-day physical capability.
Muscle is metabolically expensive tissue to maintain, and chronic low-grade acidosis has long been suspected to push the body in a more catabolic direction. This paper adds human observational support to that idea.
It helps make the case that a more alkaline-forming diet may be relevant not just for illness prevention, but for preserving strength and resilience with age.
Association between Dietary Acid Load and Lean Mass and Bone Mineral Content in an Elderly Population: The Rotterdam Study
Micek, Agnieszka, et al.. 2019. Journal of Renal Nutrition.
This Rotterdam Study analysis linked higher dietary acid load with lower lean mass and lower bone mineral content in an elderly population. That makes it especially useful because it touches two major themes at once: musculoskeletal ageing and the broader cost of a chronically acid-forming dietary pattern.
The value of this paper is that it helps connect bone and muscle rather than treating them as separate silos. In real life, those systems age together.
It therefore adds depth to both the bone section and the muscle / performance section of the guide.
Low-grade acidosis and muscle wasting in chronic kidney disease
Bailey, J. L.. 2020. Current Opinion in Clinical Nutrition and Metabolic Care.
This review focused on low-grade acidosis and muscle wasting in chronic kidney disease, an area where acid-base burden is particularly relevant. It helps explain why chronic acidosis is not just a lab curiosity, but something that may contribute to real tissue loss and functional decline.
That is especially useful for this guide because it ties muscle preservation, renal function, and acid load together in a single clinical picture.
It gives the sports and muscle section more clinical seriousness, especially for older adults or people with impaired kidney function.
Clinical consequences of metabolic acidosis-muscle
Ho, J. Q., and Mark K. Abramowitz. 2022. Advances in Chronic Kidney Disease.
This paper explained how metabolic acidosis can drive muscle breakdown and impair muscle maintenance. It is important because it shows why a lower-acid environment may help protect lean tissue. That gives the alkaline section a strong muscle-preservation angle.
Key takeaway: Metabolic acidosis is bad news for muscle, which makes a lower-acid diet attractive.
Dietary acid load and body composition in physical education students aged 18-25 years
Mansordehghan, M., et al.. 2022. Journal of Health, Population and Nutrition.
This study linked dietary acid load with body-composition outcomes in young physical-education students. That is useful because it extends the muscle and physique conversation into a younger, active population. A more alkaline pattern again looked favourable.
Key takeaway: Even in young active adults, acid load tracked with body composition.
Herter, J., et al.. 2023. Nutrients.
This intervention study compared vegan and meat-rich diets and showed that dietary acid load tracked with shifts in serum amino acid concentrations over just four weeks. It is a neat mechanistic paper because it shows how quickly diet quality and acid load can influence metabolism. The lower-acid pattern produced a measurably different biochemical picture.
Key takeaway: Changing to a lower-acid dietary pattern quickly changed the metabolic profile in a measurable way.
Lots of other stuff!
This final section is where I put the wider ripple effects: fatty liver, reflux, gout, endocrine effects, inflammatory pathways, and related areas where the evidence is either emerging or supportive but less central than the headline categories.
Effects of acidosis on hormones & the endocrine system
Frassetto, Lynda, et al.. 2008. Journal of Endocrinology.
This paper explored how acidosis can influence hormones and the endocrine system, which matters because acid-base stress does not stay neatly confined to one organ. Hormonal regulation, cortisol balance, and broader metabolic signalling may all be affected.
That makes it a useful “lots of other stuff” paper, because it helps explain why dietary acid load could plausibly ripple into multiple systems rather than showing up in only one narrow disease area.
It adds depth to the broader argument that low-grade acidosis can have whole-body consequences over time.
An alkaline diet to reverse gout / hyperuricemia
Sakhaee, Khashayar, et al.. 2012. Current Opinion in Rheumatology.
This paper discussed alkalinisation in the context of gout and hyperuricaemia, where urinary pH and acid-base status can influence uric acid handling. It is a helpful reminder that the relevance of acid load extends beyond kidney stones into other uric-acid-related conditions.
That matters because it broadens the practical appeal of alkaline-forming nutrition without needing to overstate the evidence.
It fits well in the “lots of other stuff” bucket by showing another clinically sensible area where acid-base balance may matter.
An alkaline pH 8.8 water as an adjunct in the management of reflux disease
Koufman, J. A., and colleagues. 2012. Annals of Otology, Rhinology & Laryngology.
This paper found that alkaline water may be useful as an adjunct in reflux management, partly because it can affect pepsin activity and the acidic environment involved in reflux symptoms. It is a nice reminder that the alkaline concept reaches into symptom relief as well as chronic disease. For many readers, that is a very practical hook.
Key takeaway: Alkaline water showed promise as a helpful reflux-management tool.
Chan, R., et al.. 2015. Journal of Nutrition.
This study linked higher endogenous acid production with a greater prevalence of NAFLD in Chinese adults. It is a valuable liver paper because it helped put fatty liver on the alkaline map early. The acid-load story clearly reaches beyond kidneys and bones.
Key takeaway: Higher acid production was linked with more fatty liver in this population.
Disturbances to acid/base balance and gastrointestinal disease
Kraut, Jeffrey A., and Nicolaos E. Madias. 2016. CJASN.
This review explained how acid-base imbalance interacts with gastrointestinal disease and gut physiology. It is useful because it broadens the alkaline conversation into digestion and GI function. The benefits of a better acid-base environment may go further than many people realise.
Key takeaway: Acid-base balance matters in the gut too, not just in the kidneys and blood markers.
Alkaline diet and inflammatory pathways: a mini-review
Casimir, Georges J., et al.. 2018. Frontiers in Immunology.
This mini-review explored how an alkaline-forming diet may influence inflammatory pathways. That matters because inflammation is one of the big shared mechanisms sitting underneath chronic disease. A lower-acid diet may therefore help on a very broad level.
Key takeaway: The alkaline-diet story likely intersects with inflammation as well as acid-base balance.
Alferink, L. J. M., et al.. 2019. Journal of Clinical Endocrinology & Metabolism.
This paper made the important argument that dietary acid load may be the missing link between animal-protein-heavy diets and fatty liver disease. That is a clever and useful framing because it explains why not all ‘high protein’ patterns behave the same way metabolically. Acid load may be part of the reason.
Key takeaway: DAL may help explain why animal-protein-heavy diets can push people toward fatty liver.
Doustmohammadian, A., et al.. 2022. Frontiers in Nutrition.
This study showed that lower dietary acid load helped explain why DASH-style and Mediterranean-style eating patterns are linked with less NAFLD. That is very helpful because it positions acid load as part of the mechanism, not just a side observation. It gives DAL a central role in the fatty-liver story.
Key takeaway: Lower acid load appears to be one reason healthier dietary patterns protect against fatty liver.
Emamat, H., et al.. 2022. Nutrition & Health.
This case-control study found that higher dietary acid load was associated with greater odds of NAFLD. It is a direct and practical paper that helps grow the liver section. The more acid-forming dietary pattern again looked metabolically unfavourable.
Key takeaway: Higher dietary acid load was linked with higher odds of fatty liver.
Cheng, Jie, and Wenxuan Wang. 2023. Frontiers in Nutrition.
This large US NHANES study found that higher dietary acid load was associated not only with NAFLD but also with more advanced liver fibrosis measures. That is a particularly strong modern liver paper because it brings both prevalence and severity into the same picture. The liver data are getting much more compelling.
Key takeaway: Higher acid load was linked with both fatty liver and more advanced liver damage.
Bakhshi, H., et al.. 2025. Frontiers in Nutrition.
This study found that in patients with type 2 diabetes, higher dietary acid load was associated with MASLD and liver steatosis. That is important because diabetes is already a high-risk state for fatty liver. A lower-acid diet may therefore help on multiple fronts at once.
Key takeaway: In people with type 2 diabetes, higher acid load again lined up with worse liver outcomes.
Ghobadian, B., et al.. 2025. Clinical and Experimental Hepatology.
This paper showed that poorer diet quality, higher dietary acid load, and a weaker antioxidant profile were all tied to NAFLD predictors in people with metabolic syndrome. It is a useful integrative study because it shows acid load sitting inside a bigger cluster of diet-related liver risk. The alkaline pattern fits the favourable side of that picture.
Key takeaway: Higher acid load was part of the same diet pattern that tracked with worse fatty-liver predictors.
The association between dietary acid load and kidney/liver function in adults
Kalali, Y. H., et al.. 2025. BMC Nutrition.
This adult study linked higher dietary acid load with less favourable kidney and liver function markers. That is a neat reminder that the same acid-forming pattern can create problems across more than one organ system at once. The alkaline case is very much a systems-level case.
Key takeaway: Higher dietary acid load looked worse for both kidney and liver function.
References
Chicago-style bibliography for the expanded study bank. This list intentionally runs long so the guide feels like a true research library, not a short curated page.
- Remer, Thomas, and Friedrich Manz. 1995. “Potential renal acid load of foods and its influence on urine pH.” Journal of the American Dietetic Association.
- Remer, Thomas. 2000. “Influence of Diet on Acid-Base Balance.” Seminars in Dialysis.
- Buclin, Thierry, et al.. 2001. “Diet acids and alkalis influence calcium retention in bone.” Osteoporosis International.
- Frassetto, Lynda A., R. Curtis Morris Jr., Donald E. Sellmeyer, Karen Todd, and Anthony Sebastian. 2001. “Diet, Evolution and Aging – The Pathophysiologic Effects of the Post-Agricultural Inversion of the Potassium-to-Sodium and Base-to-Chloride Ratios in the Human Diet.” European Journal of Nutrition.
- Tucker, Katherine L., Marian T. Hannan, and Douglas P. Kiel. 2001. “The acid-base hypothesis: diet and bone in the Framingham Osteoporosis Study.” European Journal of Nutrition.
- Sebastian, Anthony, et al.. 2002. “Estimation of the net acid load of the diet of ancestral preagricultural Homo sapiens and their hominid ancestors.” American Journal of Clinical Nutrition.
- Bushinsky, David A., et al.. 2003. “Chronic acidosis-induced alteration in bone bicarbonate and phosphate.” American Journal of Physiology Renal Physiology.
- Remer, Thomas, and Friedrich Manz. 2003. “Dietary potential renal acid load and renal net acid excretion in healthy, free-living children and adolescents.” American Journal of Clinical Nutrition.
- Cordain, Loren, et al.. 2005. “Origins and evolution of the Western diet: health implications for the 21st century.” American Journal of Clinical Nutrition.
- McCarty, Mark F.. 2005. “Acid-base balance may influence risk for insulin resistance syndrome by modulating cortisol output.” Medical Hypotheses.
- Hess, Bernhard. 2006. “Acid-base metabolism: implications for kidney stones formation.” Urological Research.
- Trinchieri, Alberto, et al.. 2006. “Effect of potential renal acid load of foods on urinary citrate excretion in calcium renal stone formers.” Urological Research.
- Frassetto, Lynda, et al.. 2008. “Effects of acidosis on hormones & the endocrine system.” Journal of Endocrinology.
- Lanham-New, Susan A.. 2008. “Fruit and vegetables, bone health, and osteoporosis prevention: an overview of the evidence.” Journal of Nutrition.
- Murakami, Kentaro, et al.. 2008. “Association between dietary acid-base load and cardiometabolic risk factors in young Japanese women.” British Journal of Nutrition.
- Dawson-Hughes, Bess, et al.. 2009. “Treatment with potassium bicarbonate lowers calcium excretion and bone resorption in older men and women.” Journal of Clinical Endocrinology & Metabolism.
- Sakhaee, Khashayar. 2009. “Increasing body pH balance to prevent uric acid stones.” Journal of Urology.
- Taylor, Eric N., Gary C. Curhan, and John P. Forman. 2009. “Dietary Protein and Potassium, Diet-Dependent Net Acid Load, and Risk of Incident Kidney Stones.” Clinical Journal of the American Society of Nephrology.
- Zhang, Lin, Gary C. Curhan, and John P. Forman. 2009. “Diet-Dependent Net Acid Load and Risk of Incident Hypertension in US Women.” Hypertension.
- Frassetto, Lynda A., Jacqueline Katzinger, and Joseph Pizzorno. 2010. “Diet-induced acidosis: is it real and clinically relevant?.” British Journal of Nutrition.
- Adeva, María M., and Guillermo Souto. 2011. “Diet-induced metabolic acidosis.” Clinical Nutrition.
- Fenton, Tanis R., et al.. 2011. “Causal assessment of dietary acid load and bone disease: a systematic review & meta-analysis applying Hill’s epidemiologic criteria for causality.” Nutrition Journal.
- Nielsen, T. F., and Ragnar Rylander. 2011. “Urinary calcium and magnesium excretion relate to an increase in blood pressure during pregnancy.” Archives of Gynecology and Obstetrics.
- Arcidiacono, Bruno, et al.. 2012. “Insulin resistance and cancer risk: an overview of the pathogenetic mechanisms.” Experimental Diabetes Research.
- Engberink, Marianne F., et al.. 2012. “Dietary acid load and risk of hypertension: the Rotterdam Study.” American Journal of Clinical Nutrition.
- Goraya, Nimrit, et al.. 2012. “Fruit and vegetable treatment of chronic kidney disease-related metabolic acidosis reduces kidney injury in patients with a moderately reduced GFR.” American Journal of Nephrology.
- Goraya, Nimrit, et al.. 2012. “Dietary acid reduction with fruits and vegetables or bicarbonate attenuates kidney injury in patients with moderately reduced GFR due to hypertensive nephropathy.” Kidney International.
- Koufman, J. A., and colleagues. 2012. “An alkaline pH 8.8 water as an adjunct in the management of reflux disease.” Annals of Otology, Rhinology & Laryngology.
- Mandel, Evan I., et al.. 2012. “Plasma bicarbonate and risk of type 2 diabetes mellitus.” CMAJ.
- Ribeiro, Maria de Lourdes C., Ariosto S. Silva, et al.. 2012. “Buffer Therapy for Cancer.” Journal of Nutrition & Food Sciences.
- Robey, Ian F.. 2012. “Examining the relationship between diet-induced acidosis and cancer.” Nutrition & Metabolism.
- Sakhaee, Khashayar, et al.. 2012. “An alkaline diet to reverse gout / hyperuricemia.” Current Opinion in Rheumatology.
- Schwalfenberg, Gerry K.. 2012. “The Alkaline Diet: Is There Evidence That an Alkaline pH Diet Benefits Health?.” Journal of Environmental and Public Health.
- Estrella, Violeta, et al.. 2013. “Acidity generated by the tumor microenvironment drives local invasion.” Cancer Research.
- Goraya, Nimrit, et al.. 2013. “Treating metabolic acidosis in chronic kidney disease with fruits and vegetables or sodium bicarbonate reduces kidney injury and preserves eGFR.” Kidney International.
- Mandel, Evan I., et al.. 2013. “Plasma bicarbonate and odds of incident hypertension.” American Journal of Hypertension.
- Scialla, Julia J., and Dominic S. Raj. 2013. “Dietary acid load: a novel nutritional target in chronic kidney disease.” Advances in Chronic Kidney Disease.
- Welch, Ailsa A., et al.. 2013. “A more alkaline dietary acid-base load is strongly associated with greater indexes of skeletal muscle mass in women.” Osteoporosis International.
- Fagherazzi, Guy, et al.. 2014. “Dietary acid load and risk of type 2 diabetes: the E3N-EPIC cohort study.” Diabetologia.
- Kanda, Eriko, et al.. 2014. “Dietary acid intake and kidney disease progression in the elderly.” American Journal of Nephrology.
- Penniston, Kristina L., et al.. 2014. “Association between the intensity of citrate excretion and risk of kidney stones.” Urology.
- Akter, Shamima, et al.. 2015. “High dietary acid load is strongly associated with increased prevalence of hypertension: the Furukawa Nutrition and Health Study.” Nutrition.
- Banerjee, Tanushree, et al.. 2015. “High Dietary Acid Load Predicts ESRD among Adults with CKD.” Journal of the American Society of Nephrology.
- Chan, R., et al.. 2015. “Higher Estimated Net Endogenous Acid Production May Be Associated with Increased Prevalence of Nonalcoholic Fatty Liver Disease in Chinese Adults in Hong Kong.” Journal of Nutrition.
- Haghighatdoost, Fahimeh, et al.. 2015. “Association of dietary acid load with cardiovascular disease risk factors in patients with diabetic nephropathy.” Nutrition.
- Lambert, Heather, et al.. 2015. “The effect of supplementation with alkaline potassium salts on bone metabolism: a meta-analysis.” Osteoporosis International.
- Pizzorno, Joseph. 2015. “Acidosis: An Old Idea Validated by New Research.” Integrative Medicine.
- Akter, Shamima, et al.. 2016. “High Dietary Acid Load Score Is Associated with Increased Risk of Type 2 Diabetes in Japanese Men: The JPHC Study.” Journal of Nutrition.
- Akter, Shamima, et al.. 2016. “High dietary acid load is strongly associated with insulin resistance: The Furukawa Nutrition and Health Study.” Clinical Nutrition.
- Asghari, G., et al.. 2016. “Dietary Acid-Base Load and Risk of Chronic Kidney Disease in Adults: Tehran Lipid and Glucose Study.” American Journal of Nephrology.
- Han, Eunju, et al.. 2016. “Association between dietary acid load and the risk of cardiovascular disease: nationwide surveys (KNHANES 2008-2011).” Cardiovascular Diabetology.
- Kraut, Jeffrey A., and Nicolaos E. Madias. 2016. “Disturbances to acid/base balance and gastrointestinal disease.” CJASN.
- Rebholz, Casey M., et al.. 2016. “DASH (Dietary Approaches to Stop Hypertension) Diet and Risk of Subsequent Kidney Disease.” American Journal of Kidney Diseases.
- Siener, Roswitha. 2016. “Dietary acid load and kidney stone risk in adults.” World Journal of Urology.
- Williams, Rebecca S., et al.. 2016. “Dietary acid load, metabolic acidosis and insulin resistance – lessons from cross-sectional and overfeeding studies in humans.” Clinical Nutrition.
- Williams, Rebecca S., et al.. 2016. “The role of dietary acid load and mild metabolic acidosis in insulin resistance in humans.” Biochimie.
- Xu, Hong, et al.. 2016. “Modest U-Shaped Association between Dietary Acid Load and Risk of All-Cause and Cardiovascular Mortality in Adults.” Journal of Nutrition.
- Akter, Shamima, et al.. 2017. “Dietary acid load and mortality among Japanese men and women: the Japan Public Health Center-based Prospective Study.” American Journal of Clinical Nutrition.
- Carnauba, Renata A., Aline B. Baptistella, Vania Paschoal, and Gustavo H. Hübscher. 2017. “Diet-Induced Low-Grade Metabolic Acidosis and Clinical Outcomes: A Review.” Nutrients.
- Hamaguchi, Reo, et al.. 2017. “Effects of an Alkaline Diet on EGFR-TKI Therapy in EGFR Mutation-Positive NSCLC.” Anticancer Research.
- Kiefte-de Jong, Jessica C., et al.. 2017. “Diet-dependent acid load and type 2 diabetes: pooled results from three prospective cohort studies.” Diabetologia.
- Passey, Caroline. 2017. “Reducing the Dietary Acid Load: How a More Alkaline Diet Benefits Patients With Chronic Kidney Disease.” Journal of Renal Nutrition.
- de Jonge, Elisabeth A. L., et al.. 2017. “Dietary acid load, trabecular bone integrity, and mineral density in an ageing population: the Rotterdam Study.” Osteoporosis International.
- Casimir, Georges J., et al.. 2018. “Alkaline diet and inflammatory pathways: a mini-review.” Frontiers in Immunology.
- Chan, R., et al.. 2018. “Higher dietary acid load is inversely associated with skeletal muscle mass, strength, and function in older adults.” Clinical Nutrition.
- Della Guardia, Luca, et al.. 2018. “Insulin Sensitivity and Glucose Homeostasis Can Be Influenced by Metabolic Acid Load.” Nutrients.
- Gæde, Jakob, et al.. 2018. “Population-based Studies of Relationships Between Dietary Acidity Load, Insulin Sensitivity, and Incident Diabetes in Danes.” Nutrients.
- Jayedi, Ahmad, et al.. 2018. “Dietary acid load and risk of type 2 diabetes: A systematic review and dose-response meta-analysis of prospective observational studies.” Clinical Nutrition ESPEN.
- Abbasalizad Farhangi, Mahdieh, et al.. 2019. “Higher dietary acid load potentially increases serum triglyceride and obesity prevalence in adults: an updated systematic review and meta-analysis.” PLoS One.
- Abbasalizad Farhangi, Mahdieh, et al.. 2019. “Dietary acid load significantly predicts 10-years survival in patients underwent coronary artery bypass grafting (CABG) surgery.” PLoS One.
- Alferink, L. J. M., et al.. 2019. “Diet-dependent acid load-the missing link between an animal protein-rich diet and nonalcoholic fatty liver disease?.” Journal of Clinical Endocrinology & Metabolism.
- Chen, Shu-Wei, et al.. 2019. “Elevated hypertension risk associated with higher dietary acid load: a systematic review and meta-analysis.” Clinical Nutrition ESPEN.
- Micek, Agnieszka, et al.. 2019. “Association between Dietary Acid Load and Lean Mass and Bone Mineral Content in an Elderly Population: The Rotterdam Study.” Journal of Renal Nutrition.
- Osuna-Padilla, I. A., et al.. 2019. “Dietary Acid Load: mechanisms and evidence of its health repercussions.” Nefrologia.
- Park, Yong-Moon Mark, Susan E. Steck, Teresa T. Fung, Anwar T. Merchant, M. Elizabeth Hodgson, Jean A. Keller, and Dale P. Sandler. 2019. “Higher diet-dependent acid load shows a strong link with breast-cancer risk: Findings from the Sister Study.” International Journal of Cancer.
- Parohan, Mahdi, et al.. 2019. “Dietary acid load and risk of hypertension: a systematic review and dose-response meta-analysis of observational studies.” Nutrition, Metabolism and Cardiovascular Diseases.
- Angeloco, L. R. N., et al.. 2020. “Association of dietary acid load with serum bicarbonate in chronic kidney disease patients.” European Journal of Clinical Nutrition.
- Arisawa, Kiyoshi, et al.. 2020. “Association of Dietary Acid Load with the Prevalence of Metabolic Syndrome among Participants in Baseline Survey of the J-MICC Study.” Nutrients.
- Bailey, J. L.. 2020. “Low-grade acidosis and muscle wasting in chronic kidney disease.” Current Opinion in Clinical Nutrition and Metabolic Care.
- Chalmers, Elena, et al.. 2020. “The effect of body acid-base state and manipulations on glucose metabolism.” Clinical Science.
- Dehghan, Parvin, and Mahdieh Abbasalizad Farhangi. 2020. “Dietary acid load, blood pressure, fasting blood sugar and biomarkers of insulin resistance among adults: Findings from an updated systematic review and meta-analysis.” International Journal of Clinical Practice.
- Hamaguchi, Reo, et al.. 2020. “Effects of Alkalization Therapy on Chemotherapy Outcomes in Advanced Pancreatic Cancer: A Retrospective Case-Control Study.” In Vivo.
- Lee, Kyung Won, and Dayeon Shin. 2020. “Positive association between dietary acid load and future insulin resistance risk: findings from the Korean Genome and Epidemiology Study.” Nutrition Journal.
- Ostrowska, Joanna, et al.. 2020. “Dietary Acid Load and Cardiometabolic Risk Factors-A Narrative Review.” Nutrients.
- DiNicolantonio, James J., and James O’Keefe. 2021. “Low-grade metabolic acidosis as a driver of chronic disease: a 21st century public health crisis.” Open Heart.
- García-Gavilán, Jesús Francisco, et al.. 2021. “U-Shaped Association between Dietary Acid Load and Risk of Osteoporotic Fractures in 2 Populations at High Cardiovascular Risk.” Journal of Nutrition.
- Mofrad, Maryam Davoodi, et al.. 2021. “Dietary acid load, kidney function and risk of chronic kidney disease: a systematic review and meta-analysis of observational studies.” Advances in Nutrition.
- Ronco, Alvaro L., et al.. 2021. “Dietary acid load and lung cancer risk: A case-control study in men and women.” Cancer Treatment and Research Communications.
- Silva, Larissa, et al.. 2021. “Dietary Acid Load and Relationship with Albuminuria and Glomerular Filtration Rate: A Systematic Review.” Nutrition Reviews.
- Tariq, Abdullah, et al.. 2021. “Metabolomics of Dietary Acid Load and Incident Chronic Kidney Disease.” Journal of Renal Nutrition.
- Bahrami, Alireza, et al.. 2022. “Dietary acid load and the risk of cancer: a systematic review and dose-response meta-analysis of observational studies.” European Journal of Cancer Prevention.
- Doustmohammadian, A., et al.. 2022. “Dietary Acid Load (DAL), Glycated Hemoglobin A1c (HbA1c), and Metabolic Syndrome Mediate the Association of the Adherence to the DASH and Mediterranean Diet With Nonalcoholic Fatty Liver Disease.” Frontiers in Nutrition.
- Emamat, H., et al.. 2022. “The association between dietary acid load and odds of non-alcoholic fatty liver disease: a case-control study.” Nutrition & Health.
- Gholami, Fatemeh, et al.. 2022. “Dietary Acid Load and Bone Health: A Systematic Review and Meta-Analysis of Observational Studies.” Frontiers in Nutrition.
- Ho, J. Q., and Mark K. Abramowitz. 2022. “Clinical consequences of metabolic acidosis-muscle.” Advances in Chronic Kidney Disease.
- Keramati, Majid, et al.. 2022. “Association of High Dietary Acid Load With the Risk of Cancer: A Systematic Review and Meta-Analysis of Observational Studies.” Frontiers in Nutrition.
- Li, Chao-Feng, et al.. 2022. “Dietary Acid Load Was Positively Associated with the Risk of Osteoporosis in Postmenopausal Women.” Nutrients.
- Mansordehghan, M., et al.. 2022. “Dietary acid load and body composition in physical education students aged 18-25 years.” Journal of Health, Population and Nutrition.
- Sanz, José M., et al.. 2022. “Sanz, José M., et al. Dietary Acid Load but Not Mediterranean Diet Adherence Score Is Associated With Metabolic and Cardiovascular Health State.” Frontiers in Nutrition.
- Smeha, Luiza, et al.. 2022. “Dietary acid load is positively associated with insulin resistance in adults.” Clinical Nutrition.
- Wang, Ran, et al.. 2022. “Association between dietary acid load and cancer risk and prognosis: an updated systematic review and meta-analysis of observational studies.” Frontiers in Nutrition.
- Al-Hawary, S. I. S., et al.. 2023. “Metabolic syndrome in relation to dietary acid load: a dose-response meta-analysis of observational studies.” Frontiers in Nutrition.
- Armin, Maryam, et al.. 2023. “The effect of a low renal acid load diet on blood pressure, lipid profile, and blood glucose indices in patients with type 2 diabetes: a randomized clinical trial.” Nutrition Journal.
- Cheng, Jie, and Wenxuan Wang. 2023. “Association of Dietary Acid Load with Nonalcoholic Fatty Liver Disease and Advanced Liver Fibrosis in US Adults: Evidence from NHANES 1999-2018.” Frontiers in Nutrition.
- Dobre, M., et al.. 2023. “Modestly lower serum bicarbonate is strongly associated with risk of kidney stone formation in chronic kidney disease.” Kidney360.
- Farshbaf-Khalili, Azam, et al.. 2023. “Dietary acid load is strongly associated with primary osteoporosis in postmenopausal women.” Food Science & Nutrition.
- Heidari, Zahra, et al.. 2023. “Diet-dependent acid load and the risk of breast cancer.” Clinical Nutrition ESPEN.
- Herter, J., et al.. 2023. “Dietary acid load correlates with serum amino acid concentrations after a four-week intervention with vegan vs meat-rich diets.” Nutrients.
- Isowa, Masahide, et al.. 2023. “Effects of Alkalization Therapy on Hepatocellular Carcinoma: A Retrospective Study.” Frontiers in Oncology.
- Lin, Fang, et al.. 2023. “Association between dietary acid load and hypertension in adults: a systematic review and meta-analysis.” Nutrients.
- Ronco, Alvaro L., and Maximilian A. Storz. 2023. “Dietary acid load and cancer risk: a review of the Uruguayan experience.” Nutrients.
- Seifi, Nazanin, et al.. 2023. “Higher dietary acid load is strongly associated with an increased risk of metabolic syndrome.” Scientific Reports.
- Abdollahpour, N., et al.. 2024. “The association between dietary acid load and indices of insulin resistance among Iranian adults.” Scientific Reports.
- Dolati, Shamim, et al.. 2024. “A high dietary acid load can potentially exacerbate cardiometabolic risk factors: an updated systematic review and meta-analysis of observational studies.” Nutrition, Metabolism and Cardiovascular Diseases.
- Kim, Hannah, et al.. 2024. “Plant-based diets for kidney disease prevention and treatment.” Current Opinion in Nephrology and Hypertension.
- Machado, Alisson Diego, et al.. 2024. “Dietary acid load and the risk of events of mortality and kidney replacement therapy in people with chronic kidney disease: the Progredir Cohort Study.” European Journal of Clinical Nutrition.
- Nikpayam, Omid, et al.. 2024. “Association between dietary acid load and cancer: An updated systematic review and meta-analysis.” JHEP Reports.
- Safarpour, Fatemeh, et al.. 2024. “Assessing the role of dietary acid load in the development of hypertensive disorders of pregnancy.” BMC Pregnancy and Childbirth.
- Wieërs, M. L. A. J., et al.. 2024. “Dietary acid load in health and disease.” Pflügers Archiv.
- Abbastabar, Maryam, et al.. 2025. “Dietary Acid Load and Human Health: A Systematic Review and Meta-analysis of Observational Studies.” Nutrition Reviews.
- Bakhshi, H., et al.. 2025. “Association between dietary acid load and cardiovascular and all-cause mortality in Iranian adults.” Scientific Reports.
- Bakhshi, H., et al.. 2025. “Association between dietary acid load and risk of MASLD and liver steatosis in patients with type 2 diabetes.” Frontiers in Nutrition.
- Ghobadian, B., et al.. 2025. “Association of diet quality, dietary acid load, and dietary antioxidant index with NAFLD predictors in individuals with MetS.” Clinical and Experimental Hepatology.
- Hajizadeh-Sharafabad, Farid, et al.. 2025. “Dietary Acid Load and the Risk of All-Cause Mortality.” Nutrition Reviews.
- Huang, H., et al.. 2025. “Correlation between dietary acid-base load and chronic kidney disease progression in patients with chronic kidney disease and type 2 diabetes mellitus.” Frontiers in Nutrition.
- Kalali, Y. H., et al.. 2025. “The association between dietary acid load and kidney/liver function in adults.” BMC Nutrition.
- Mahboobi, Somayeh, et al.. 2025. “Effects of dietary interventions for metabolic acidosis in chronic kidney disease: a systematic review and meta-analysis.” Clinical Kidney Journal.
- Mirzababaei, Atieh, et al.. 2025. “Association between dietary acid load and risk of osteoporotic fractures in adults: a systematic review and meta-analysis of observational studies.” BMC Musculoskeletal Disorders.
- Unohara, Takashi, et al.. 2025. “Dietary acid load and mortality in the Japan Multi-Institutional Collaborative Cohort Study.” Scientific Reports.
Total studies / papers listed in this version: 129.
Hello Ross,
My daughter is struggling with Scoliosis. Is an anti-inflammatory/alkaline diet a way to reverse this condition. If it helps arthritis should it not help and heal scoliosis? I know that she should also remove the many toxic and acidic foods she is currently consuming. Any thoughts or suggestions would be greatly appreciated and respectfully considered.
Many, many thanks in advance,
Jim
Hi Jim
It will help beyond question. Scoliosis is an inflammatory condition, and I recommend you check out my guide here: https://liveenergized.com/anti-inflammation-diet/
Ross
Is there any research on alkalinity reversing leptin resistance?
There has not been a specific study calling it ‘alkalinity’ but yep, there are many studies showing a diet moved away from acid-forming foods (sugar, gluten etc) and towards alkaline forming foods (veggies, esp. leafy greens, fresh foods etc) will reverse leptin resistance, as well as healing the pancreas, hypothalamus, pituitary, adrenals and thyroid – which are also super important in this jigsaw.