--- title: "Carnosine — Evidence, Benefits & Where to Buy | Magellan" description: "Carnosine — Carnosine (beta-alanyl-L-histidine) is a naturally occurring dipeptide, composed of the amino acids beta-alanine and L-histidine, that is…" url: "https://magellanlongevity.com/p/139.md" canonical: "https://magellanlongevity.com/p/139.html" html: "https://magellanlongevity.com/p/139.html" type: "product" section: "Nutraceuticals & Cellular Energizers" evidence_grade: "Moderate evidence" evidence_tier: "moderate" citations: 24 product_id: 139 price_usd: 32.49 updated: 2026-09-02 author: "Gabriel Radu, DO" author_credentials: "Physiatrist (PM&R). NY medical license 275110. NPI 1376861765." publisher: "Magellan Longevity" content_format: "markdown" license: "Educational content — not medical advice" --- # Carnosine [Home](https://magellanlongevity.com/) › [Nutraceuticals & Cellular Energizers](https://magellanlongevity.com/c/1.md) › Carnosine **HTML version:** https://magellanlongevity.com/p/139.html · **In the Magellan app:** https://magellanlongevity.com/#/product/139 ## Key facts | Field | Value | | --- | --- | | Product | Carnosine | | Category | [Nutraceuticals & Cellular Energizers](https://magellanlongevity.com/c/1.md) | | Evidence grade | Moderate evidence (B) | | Peer-reviewed citations | 24 | | Typical listed price | $32.49 (check the live price) | | Where to buy | [Search Amazon](https://www.amazon.com/s?k=Carnosine&tag=magellanlong-20) | | Catalog ID | 139 | ## What it is Carnosine (beta-alanyl-L-histidine) is a naturally occurring dipeptide, composed of the amino acids beta-alanine and L-histidine, that is highly concentrated in skeletal muscle, cardiac muscle, and the brain. It acts as an intracellular pH buffer and as an antioxidant and anti-glycating agent: it scavenges reactive oxygen and nitrogen species, chelates transition-metal ions, and traps reactive carbonyls such as methylglyoxal to inhibit formation of advanced glycation end-products (AGEs). Tissue carnosine can be raised by supplementing carnosine itself or its rate-limiting precursor beta-alanine, and endogenous levels tend to decline with age. ## Its role in longevity Meta-analyses of randomized trials indicate that carnosine or beta-alanine supplementation modestly improves glycemic control, lowering fasting glucose and HbA1c, in people with prediabetes or type 2 diabetes, and pooled trials of histidine-containing dipeptides also report reduced waist circumference and a small improvement in delayed verbal recall; smaller trials report reductions in circulating AGEs, triglycerides, inflammatory markers, and oxidative-stress and kidney-injury markers, and mechanistic and animal work links its anti-glycation activity to protection of proteins and even to lifespan in a model organism. The evidence base remains limited: human trials are generally small and short, several outcomes (musculoskeletal measures, AGEs in autism, some insulin measures) showed no benefit, effect sizes are modest, and one observational study found higher endogenous muscle carnosine associated with insulin resistance, underscoring that supplementation and native tissue levels are not equivalent. This evidence concerns the carnosine and beta-alanine compound and its mechanisms in human aging and metabolic health, not this specific commercial product. ## Evidence grade: Moderate evidence - **What the grade means:** Curated grade based on the human and mechanistic evidence for this compound. - **Dose used in studies:** 1–2 g/day - **What this grade does not say:** Small, short RCTs and meta-analyses show modest glycemic improvements and a small delayed-recall benefit limited to specific memory domains. No long-term, aging, or lifespan outcomes have been tested, and several measured outcomes were null. ## Where it comes from without a bottle Food, exercise and behaviour routes to the same pathway, each with its citation. | Natural source | How it works | Citation | | --- | --- | --- | | Poultry & red meat | Carnosine is a meat-only nutrient; this analysis quantified it across species, with poultry highest and beef lowest. | Food Chemistry 2010 [PMID 25213980](https://pubmed.ncbi.nlm.nih.gov/25213980/) | | Pork | Among meats fed in a controlled study, pork delivered the most carnosine and raised tissue carnosine the most. | Metabolites 2020 [PMID 33317193](https://pubmed.ncbi.nlm.nih.gov/33317193/) | ### What those papers actually say 1. **Poultry & red meat** Food Chemistry 2010 · [PMID 25213980](https://pubmed.ncbi.nlm.nih.gov/25213980/) · [DOI 10.1016/j.foodchem.2010.12.036](https://doi.org/10.1016/j.foodchem.2010.12.036) > The total CRCs (carnosine+anserine+homocarnosine) content was in the increasing order: beef The highest carnosine intake by dietary pork leg was clearly related to the highest carnosine level in the liver. ## In the news - **Carnosine Cut OGGT Glucose Levels in Prediabetes and T2D** — Medscape 2023 [Read it](https://www.medscape.com/viewarticle/990714) > A 14-week regimen of carnosine supplementation reduced glucose levels following an oral glucose tolerance test (OGTT) for patients with prediabetes and type 2 diabetes but had no effect on insulin concentrations or obesity measures. ## The research Peer-reviewed studies on the active compound. Quotes are verbatim from the cited abstract. Research describes the active mechanism and is not a claim about this specific product. ### Cited studies 1. **Evidence: anti-glycation dipeptide antioxidant** BMJ Open 2017 · [PMID 28864708](https://pubmed.ncbi.nlm.nih.gov/28864708/) · [DOI 10.1136/bmjopen-2017-017691](https://doi.org/10.1136/bmjopen-2017-017691) > carnosine preserves insulin sensitivity and secretion in overweight and obese individuals 2. **Effect of carnosine on lipid profile, fasting blood glucose, HbA1C and insulin resistance: a meta-analysis of randomized controlled trials** Complement Ther Med 2019 · [PMID 31987255](https://pubmed.ncbi.nlm.nih.gov/31987255/) · [DOI 10.1016/j.ctim.2019.102241](https://doi.org/10.1016/j.ctim.2019.102241) > carnosine intervention reduced HbA1C levels in intervention vs control groups 3. **Effect of carnosine or beta-alanine supplementation therapy for prediabetes or type 2 diabetes mellitus: a systematic review and meta-analysis of randomized controlled trials.** BMC Endocr Disord 2025 · [PMID 40999397](https://pubmed.ncbi.nlm.nih.gov/40999397/) · [DOI 10.1186/s12902-025-02016-w](https://doi.org/10.1186/s12902-025-02016-w) > Our analysis indicated that supplementation significantly reduced fasting blood glucose (FBG) (SMD: -0.53; 95% CI: -0.75 to -0.31; p < 0.00001) and hemoglobin A1c (HbA1c) levels (SMD:-0.36; 95% CI:-0.59 to -0.12; p = 0.003) compared to placebo. 4. **Effect of Carnosine or β-Alanine Supplementation on Markers of Glycemic Control and Insulin Resistance in Humans and Animals: A Systematic Review and Meta-analysis.** Adv Nutr 2021 · [PMID 34333586](https://pubmed.ncbi.nlm.nih.gov/34333586/) · [DOI 10.1093/advances/nmab087](https://doi.org/10.1093/advances/nmab087) > Supplementation with carnosine or β-alanine may reduce fasting glucose, HbA1c, and HOMA-IR in humans and rodents, and fasting insulin in humans; both compounds show potential as therapeutics to improve glycemic control and insulin resistance. 5. **Carnosine supplementation improves glucose control in adults with pre-diabetes and type 2 diabetes: A randomised controlled trial.** Nutr Metab Cardiovasc Dis 2023 · [PMID 38172006](https://pubmed.ncbi.nlm.nih.gov/38172006/) · [DOI 10.1016/j.numecd.2023.10.012](https://doi.org/10.1016/j.numecd.2023.10.012) > Carnosine supplementation decreased blood glucose at 90 min (-1.31 mmol/L; p = 0.02) and 120 min (-1.60 mmol/L, p = 0.02) and total glucose area under the curve (-3.30 mmol/L; p = 0.04) following an oral glucose tolerance test. 6. **Effects of carnosine supplementation on glucose metabolism: Pilot clinical trial.** Obesity (Silver Spring) 2016 · [PMID 27040154](https://pubmed.ncbi.nlm.nih.gov/27040154/) · [DOI 10.1002/oby.21434](https://doi.org/10.1002/oby.21434) > An increase in fasting insulin and insulin resistance was hampered in individuals receiving carnosine compared to placebo, and this remained significant after adjustment for age, sex, and change in body weight (P = 0.02, P = 0.04, respectively). 7. **l-Carnosine supplementation attenuated fasting glucose, triglycerides, advanced glycation end products, and tumor necrosis factor-α levels in patients with type 2 diabetes: a double-blind placebo-controlled randomized clinical trial.** Nutr Res 2017 · [PMID 29420997](https://pubmed.ncbi.nlm.nih.gov/29420997/) · [DOI 10.1016/j.nutres.2017.11.003](https://doi.org/10.1016/j.nutres.2017.11.003) > A significant reduction in fasting blood glucose (13.1 mg/dL); glycated hemoglobin (.6%); and serum levels of triglycerides (29.8 mg/dL), carboxymethyl lysine (91.8 ng/mL), and tumor necrosis factor-α was detected in the l-carnosine group compared with the placebo group (P<.05). 8. **The effect of 12 weeks carnosine supplementation on renal functional integrity and oxidative stress in pediatric patients with diabetic nephropathy: a randomized placebo-controlled trial.** Pediatr Diabetes 2017 · [PMID 28744992](https://pubmed.ncbi.nlm.nih.gov/28744992/) · [DOI 10.1111/pedi.12564](https://doi.org/10.1111/pedi.12564) > Oral supplementation with L-Carnosine for 12 weeks resulted in a significant improvement of oxidative stress, glycemic control and renal function. 9. **Effect of Oral carnosine supplementation on urinary TGF-β in diabetic nephropathy: a randomized controlled trial.** BMC Nephrol 2021 · [PMID 34174842](https://pubmed.ncbi.nlm.nih.gov/34174842/) · [DOI 10.1186/s12882-021-02434-7](https://doi.org/10.1186/s12882-021-02434-7) > Urinary TGF-β significantly decreased with carnosine supplement (- 17.8% of the baseline values), whereas it tended to increase with placebo (+ 16.9% of the baseline values) (between-group difference P < 0.05). 10. **The Effect of Carnosine Supplementation on Musculoskeletal Health in Adults with Prediabetes and Type 2 Diabetes: A Secondary Analysis of a Randomized Controlled Trial.** Nutrients 2024 · [PMID 39770949](https://pubmed.ncbi.nlm.nih.gov/39770949/) · [DOI 10.3390/nu16244328](https://doi.org/10.3390/nu16244328) > Fourteen weeks of carnosine supplementation did not improve muscle strength, body composition, or bone health in adults with prediabetes or T2D. 11. **Carnosine supplementation does not affect serum concentrations of advanced glycation and precursors of lipoxidation end products in autism: a randomized controlled clinical trial.** Ann Clin Biochem 2018 · [PMID 30089410](https://pubmed.ncbi.nlm.nih.gov/30089410/) · [DOI 10.1177/0004563218796860](https://doi.org/10.1177/0004563218796860) > Carnosine supplementation did not significantly alter plasma concentrations of advanced glycation end products and precursors of advanced lipoxidation end products in autistic children. 12. **Carnosine increases insulin-stimulated glucose uptake and reduces methylglyoxal-modified proteins in type-2 diabetic human skeletal muscle cells.** Amino Acids 2023 · [PMID 36637533](https://pubmed.ncbi.nlm.nih.gov/36637533/) · [DOI 10.1007/s00726-022-03230-9](https://doi.org/10.1007/s00726-022-03230-9) > Treatment with 10 mM carnosine significantly increased insulin-stimulated glucose uptake in T2D cells (p = 0.047); with no effect in LHC cells. Insulin-stimulation increased MGO-modified proteins in T2D cells by 47%; treatment with carnosine attenuated this increase to 9.7% (p = 0.011). 13. **Effects of thermal denaturation on protein glycation.** Life Sci 2002 · [PMID 12002523](https://pubmed.ncbi.nlm.nih.gov/12002523/) · [DOI 10.1016/s0024-3205(02)01474-1](https://doi.org/10.1016/s0024-3205%2802%2901474-1) > Carnosine prevented Glyc-induced AGE formation in both native and denatured AAT suggesting that carnosine's anti-inflammatory activity may be due in part to carnosine's ability to prevent glycation of denatured protein. 14. **Carnosine protects against the inactivation of esterase induced by glycation and a steroid.** Biochim Biophys Acta 2004 · [PMID 15955455](https://pubmed.ncbi.nlm.nih.gov/15955455/) · [DOI 10.1016/j.bbadis.2004.11.008](https://doi.org/10.1016/j.bbadis.2004.11.008) > Carnosine significantly inhibited the inactivation of esterase induced by all four compounds. Carnosine decreased the extent of the cross-linking. These results provide further evidence for carnosine's role as an anti-glycation compound. 15. **Bacterial processing of glucose modulates C. elegans lifespan and healthspan.** Sci Rep 2021 · [PMID 33723307](https://pubmed.ncbi.nlm.nih.gov/33723307/) · [DOI 10.1038/s41598-021-85046-3](https://doi.org/10.1038/s41598-021-85046-3) > These negative effects are abrogated when the E. coli is not able to process the additional glucose and by the addition of the anti-glycation compound carnosine. 16. **Carnosine Prevents Aβ-Induced Oxidative Stress and Inflammation in Microglial Cells: A Key Role of TGF-β1.** Cells 2019 · [PMID 30658430](https://pubmed.ncbi.nlm.nih.gov/30658430/) · [DOI 10.3390/cells8010064](https://doi.org/10.3390/cells8010064) > Carnosine is involved in cellular defense mechanisms against oxidative stress, including the inhibition of amyloid-beta (Aβ) aggregation and the scavenging of reactive species. 17. **Mechanistic Integration of Beta-Alanine-Carnosine Buffering and Glutamine Metabolism in Exercise-Induced Muscle-Brain Crosstalk: Implications for Aging, Neurodegeneration, and Cognitive Decline.** Mol Neurobiol 2026 · [PMID 42322395](https://pubmed.ncbi.nlm.nih.gov/42322395/) · [DOI 10.1007/s12035-026-05985-8](https://doi.org/10.1007/s12035-026-05985-8) > BA, through its involvement in the biosynthesis of carnosine, augments intracellular buffering capacity and maintains pH stability during metabolic stress scenarios such as exercise and age-related mitochondrial dysfunction. 18. **beta-alanine supplementation to improve exercise capacity and performance: a systematic review and meta-analysis** Br J Sports Med 2016 · [PMID 27797728](https://pubmed.ncbi.nlm.nih.gov/27797728/) · [DOI 10.1136/bjsports-2016-096396](https://doi.org/10.1136/bjsports-2016-096396) > beta-alanine had a significant overall effect on exercise capacity and performance 19. **Hydrogen Sulfide and Carnosine: Modulation of Oxidative Stress and Inflammation in Kidney and Brain Axis.** Antioxidants (Basel) 2020 · [PMID 33353117](https://pubmed.ncbi.nlm.nih.gov/33353117/) · [DOI 10.3390/antiox9121303](https://doi.org/10.3390/antiox9121303) > endogenous dipeptide carnosine (β-alanyl-L-histidine) and hydrogen sulfide (HS) exert cytoprotective actions through the modulation of redox-dependent resilience pathways during oxidative stress and inflammation. 20. **Muscle Carnosine Is Associated with Cardiometabolic Risk Factors in Humans.** PLoS One 2015 · [PMID 26439389](https://pubmed.ncbi.nlm.nih.gov/26439389/) · [DOI 10.1371/journal.pone.0138707](https://doi.org/10.1371/journal.pone.0138707) > Our data shows that higher carnosine content in human skeletal muscle is positively associated with insulin resistance and fasting metabolic preference for glucose. 21. **Histidine-containing dipeptides reduce central obesity and improve glycaemic outcomes: A systematic review and meta-analysis of randomized controlled trials.** Obesity reviews : an official journal of the International Association for the Study of Obesity 2020 · [PMID 31828942](https://pubmed.ncbi.nlm.nih.gov/31828942/) > Meta-analysis of 23 randomized trials found histidine-dipeptide (carnosine/anserine) supplementation reduced waist circumference by about 3.5 cm and HbA1c by 0.76% versus control. 22. **Histidine-containing dipeptide supplementation improves delayed recall: a systematic review and meta-analysis.** Nutrition reviews 2024 · [PMID 38013229](https://pubmed.ncbi.nlm.nih.gov/38013229/) > Meta-analysis of 10 RCTs found carnosine/anserine supplementation improved delayed recall by about 1.5 points on the Wechsler memory scale, with no effect on global cognitive screens. 23. **Effects of Anserine/Carnosine Supplementation on Mild Cognitive Impairment with APOE4.** Nutrients 2019 · [PMID 31319510](https://pubmed.ncbi.nlm.nih.gov/31319510/) > In 54 older adults with mild cognitive impairment, 12 weeks of anserine plus carnosine improved global Clinical Dementia Rating scores, with the benefit concentrated in APOE4 carriers. 24. **Effects of Carnosine Supplementation on Cognitive Outcomes in Prediabetes and Well-Controlled Type 2 Diabetes: A Randomised Placebo-Controlled Clinical Trial.** Pharmaceuticals (Basel, Switzerland) 2025 · [PMID 40430451](https://pubmed.ncbi.nlm.nih.gov/40430451/) > A 2025 placebo-controlled trial extended carnosine's glucose-control research program to neurocognitive outcomes in adults with prediabetes and well-controlled type 2 diabetes. ## Where to buy [Search Amazon for Carnosine](https://www.amazon.com/s?k=Carnosine&tag=magellanlong-20) — affiliate search link. ## Structured data ```json {"@context":"https://schema.org","@graph":[{"@type":"ItemPage","@id":"https://magellanlongevity.com/p/139.html#page","url":"https://magellanlongevity.com/p/139.html","name":"Carnosine","description":"Carnosine (beta-alanyl-L-histidine) is a naturally occurring dipeptide, composed of the amino acids beta-alanine and L-histidine, that is highly…","inLanguage":"en","isPartOf":{"@type":"WebSite","name":"Magellan Longevity","url":"https://magellanlongevity.com/"},"author":{"@type":"Person","name":"Gabriel Radu, DO","jobTitle":"Physiatrist (PM&R)","identifier":[{"@type":"PropertyValue","name":"NPI","value":"1376861765"},{"@type":"PropertyValue","name":"NY medical license","value":"275110"}]},"publisher":{"@type":"Organization","name":"Magellan Longevity","url":"https://magellanlongevity.com/"},"encoding":{"@type":"MediaObject","encodingFormat":"text/markdown","contentUrl":"https://magellanlongevity.com/p/139.md"},"dateModified":"2026-09-02"},{"@type":"BreadcrumbList","itemListElement":[{"@type":"ListItem","position":1,"name":"Home","item":"https://magellanlongevity.com/"},{"@type":"ListItem","position":2,"name":"Nutraceuticals & Cellular Energizers","item":"https://magellanlongevity.com/c/1.html"},{"@type":"ListItem","position":3,"name":"Carnosine","item":"https://magellanlongevity.com/p/139.html"}]},{"@type":"Product","@id":"https://magellanlongevity.com/p/139.html#product","name":"Carnosine","category":"Nutraceuticals & Cellular Energizers","url":"https://magellanlongevity.com/p/139.html","description":"Carnosine (beta-alanyl-L-histidine) is a naturally occurring dipeptide, composed of the amino acids beta-alanine and L-histidine, that is highly concentrated in skeletal muscle, cardiac muscle, and the brain. 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Nothing here is intended to diagnose, treat, cure, or prevent any disease. Talk to your physician before starting any supplement or device, especially if you are pregnant, nursing, or taking medication. Editorial firewall: evidence grades are assigned from the published research and are independent of any affiliate commission. As an Amazon Associate, Magellan Longevity earns from qualifying purchases. Reviewed for accuracy by a board-certified physician (DO).