The Potential of Carnosine Supplementation in Optimising Cardiometabolic Health
Monash Universityn = 40Oct 2016 to est. Jul 2023
Poor Glycemic Control · Cardiovascular Risk Factors · Cognitive Function 1, Social
PepBank has 202 L-carnosine studies with results. 182 of them gave L-carnosine, with 1,203 results, grouped by what the studies measured. In each group, results from studies in people come first. Data as of 2026-10-30.
Searches 1,203 results and 273 papers. Newer studies from Europe PMC
Identifiers, parent molecule, targets and development stage, from curated data.
L-carnosine is beta-alanyl-L-histidine. It occurs naturally and differs from anserine, homocarnosine, N-acetylcarnosine and zinc-carnosine complexes. The literature scope covers administration of L-carnosine to people or animals.
| Target | Action | Evidence |
|---|---|---|
| Angiotensin-converting enzymeP12821 (opens in a new tab) | Not stated | Not statedSource (opens in a new tab) |
Residues, differences from the parent, calculated properties and 3D structure. Source values and calculated values are shown separately.
2 amino acids · 1 modification
Some values cannot be calculated. The sequence has a non-canonical residue (X). Residue tables cover only the 20 standard amino acids.
@pepdb/chem 0.2.0 · EMBOSS pKa set · ExPASy residue masses
No charge curve
The sequence has a non-canonical residue (X). Residue tables cover only the 20 standard amino acids.
2 residues. Each residue counts in one class; F and W count as aromatic.
No 3D structure
No experimental structure (PDB) and no UniProt entry for an AlphaFold model are listed for this peptide. Synthetic peptides often have neither. The sequence view above is the reference.
Draws the structure in your browser with RDKit (about 2.3 MB, loaded once).
SMILES fromPubChem CID 439224(opens in a new tab)
C1=C(NC=N1)C[C@@H](C(=O)O)NC(=O)CCNPeople first in each area, then animals, then lab cells. Counts are exact and come from studies that gave the peptide.
PepBank reads each paper before it shows the results. This search looks in Europe PMC for newer papers that PepBank has not read yet.
Counts are exact and come from studies that gave the peptide.
Studies by year
202 of 273 studies have results (74%), published 1982 to 2026. Top row: every study. Bottom row: studies with results about L-carnosine, by class. The rows use different scales.
Studies273 in all, 1982 to 2026
Studies with results202 in all, 1982 to 2026
Retracted studies are left out. A study with results in two classes counts in both.
AI wrote and checked these results. AI can make mistakes, so check important results against the source.
Registered trials that test the peptide, with phase, status and dates. A dot marks trials with posted results.
2 trials match. Highest phase first. Data from ClinicalTrials.gov.
2 trials · 1 completed · 1 with posted results
The Potential of Carnosine Supplementation in Optimising Cardiometabolic Health
NCT02917928Oct 2016 to est. Jul 2023
2 trials · 1 completed · 1 with posted results · source ClinicalTrials.gov (opens in a new tab)
Monash Universityn = 40Oct 2016 to est. Jul 2023
Poor Glycemic Control · Cardiovascular Risk Factors · Cognitive Function 1, Social
University of Louisvillen = 2991 Apr 2018 to 1 Nov 2022
Air Pollution Toxicity
Studies on this peptide. Some have results. The others have none yet.
273 studies match. Retracted studies are left out.
Showing 25 of 273 studiesquery qry_662ebe2e5aa10ae4132f592e
202 studies in all, 17 on this page
Non-randomized trial · 2002
Chez et al. 2002Journal of child neurologycited by 150
PMID 12585724DOI 10.1177/08830738020170111501PUB-12585724
Animal study (in vivo) · mouse · 2011
Corona et al. 2011PloS onecited by 148
PMID 21423579PMC3058055DOI 10.1371/journal.pone.0017971PUB-21423579
Randomized controlled trial · 2016
de Courten et al. 2016Obesity (Silver Spring, Md.)n = 30cited by 137
PMID 27040154DOI 10.1002/oby.21434PUB-27040154
Animal study (in vivo) · mouse · 2017
Albrecht et al. 2017Scientific reportscited by 105
PMID 28281693PMC5345040DOI 10.1038/srep44492PUB-28281693
Not a test of L-carnosine alone · 2016
Hisatsune et al. 2016Journal of Alzheimer's disease : JADcited by 89
PMID 26682691PMC4927867DOI 10.3233/jad-150767PUB-26682691
Animal study (in vivo) · rat · 2011
Riedl et al. 2011Cellular physiology and biochemistry : international journal of experimental cellular physiology, biochemistry, and pharmacologycited by 88
PMID 21865735DOI 10.1159/000331740PUB-21865735
Not a test of L-carnosine alone · 2014
Szcześniak et al. 2014Archives of gerontology and geriatricscited by 82
PMID 24880197DOI 10.1016/j.archger.2014.04.008PUB-24880197
Animal study (in vivo) · rat · 2011
Pfister et al. 2011Cellular physiology and biochemistry : international journal of experimental cellular physiology, biochemistry, and pharmacologycited by 81
PMID 21865855DOI 10.1159/000331721PUB-21865855
Randomized controlled trial · 2013
Baraniuk et al. 2013Global journal of health sciencen = 25cited by 75
PMID 23618477PMC4209301DOI 10.5539/gjhs.v5n3p69PUB-23618477
Randomized controlled trial · 2018
Houjeghani et al. 2018Nutrition research (New York, N.Y.)n = 54cited by 74
PMID 29420997DOI 10.1016/j.nutres.2017.11.003PUB-29420997
Randomized controlled trial · 2012
Chengappa et al. 2012Schizophrenia researchn = 75cited by 73
PMID 23099060DOI 10.1016/j.schres.2012.10.001PUB-23099060
Non-randomized trial · 2012
Everaert et al. 2012American journal of physiology. Renal physiologyn = 25cited by 72
PMID 22496410DOI 10.1152/ajprenal.00084.2012PUB-22496410
Animal study (in vivo) · mouse · 2018
Deng et al. 2018Redox biologycited by 69
PMID 28826042PMC5565745DOI 10.1016/j.redox.2017.08.003PUB-28826042
Randomized controlled trial · 2018
Elbarbary et al. 2018Pediatric diabetesn = 90cited by 68
PMID 28744992DOI 10.1111/pedi.12564PUB-28744992
Animal study (in vivo) · rat · 2013
Bae et al. 2013Strokecited by 65
PMID 23250994PMC3678096DOI 10.1161/strokeaha.112.673954PUB-23250994
Non-randomized trial · 2016
Regazzoni et al. 2016Scientific reportscited by 65
PMID 27265207PMC4893669DOI 10.1038/srep27224PUB-27265207
Animal study (in vivo) · rat · 2010
Aydin et al. 2010Biogerontologycited by 64
PMID 19430956DOI 10.1007/s10522-009-9232-4PUB-19430956
63 studies in all, 8 on this page
PubMed tag: none · 2007
Hill et al. 2007Amino acidscited by 271
PMID 16868650DOI 10.1007/s00726-006-0364-4PUB-16868650
PubMed tag: Randomized Controlled Trial · 2012
del Favero et al. 2012Amino acidscited by 96
PMID 22143432PMC3374124DOI 10.1007/s00726-011-1190-xPUB-22143432
PubMed tag: Randomized Controlled Trial · 2007
Mahmood et al. 2007Gutcited by 81
PMID 16777920PMC1856764DOI 10.1136/gut.2006.099929PUB-16777920
PubMed tag: Controlled Clinical Trial · 2009
Kendrick et al. 2009European journal of applied physiologycited by 80
PMID 19214556DOI 10.1007/s00421-009-0998-5PUB-19214556
PubMed tag: review-article, Review · 2021
Jukić et al. 2021Antioxidants (Basel, Switzerland)cited by 79
PMID 34203479PMC8300828DOI 10.3390/antiox10071037PUB-34203479
PubMed tag: Randomized Controlled Trial · 2012
Stellingwerff et al. 2012Amino acidscited by 74
PMID 21847611DOI 10.1007/s00726-011-1054-4PUB-21847611
PubMed tag: Randomized Controlled Trial · 2016
Davison et al. 2016The American journal of clinical nutritioncited by 65
PMID 27357095DOI 10.3945/ajcn.116.134403PUB-27357095
Indexing hint: Animal study · 2006
Odashima et al. 2006Life sciencescited by 62
PMID 16949620DOI 10.1016/j.lfs.2006.07.032PUB-16949620
Page 1 of 5
Tharoor H · Pharmacology research & perspectives · 2023
Randomized controlled trial · 2 results
Hajizadeh-Zaker R · Journal of child and adolescent psychopharmacology · 2018
Randomized controlled trial · 7 results
Siriwattanasit N · BMC nephrology · 2021
Randomized controlled trial · 6 results
Hariharan R · Nutrition, metabolism, and cardiovascular diseases : NMCD · 2024
Randomized controlled trial · 5 results
Saadati S · Nutrients · 2024
Randomized controlled trial · 8 results
Hariharan R · Pharmaceuticals (Basel, Switzerland) · 2025
Randomized controlled trial · 5 results
Saadati S · Nutrients · 2024
Randomized controlled trial · 10 results
O'Toole TE · Neurotherapeutics : the journal of the American Society for Experimental NeuroTherapeutics · 2025
Randomized controlled trial · 6 results
O'Toole TE · Journal of the International Society of Sports Nutrition · 2026
Randomized controlled trial · 4 results
Elbarbary NS · Pediatric diabetes · 2018
Randomized controlled trial · 11 results
Chengappa KN · Schizophrenia research · 2012
Randomized controlled trial · 7 results
Ghajar A · Psychiatry research · 2018
Randomized controlled trial · 7 results
Houjeghani S · Nutrition research (New York, N.Y.) · 2018
Randomized controlled trial · 21 results
Araminia B · Journal of affective disorders · 2020
Randomized controlled trial · 4 results
Ghajar A · Journal of child and adolescent psychopharmacology · 2018
Randomized controlled trial · 6 results
Saadati S · Nutrients · 2023
Randomized controlled trial · 10 results
Arabzadeh S · Human psychopharmacology · 2017
Randomized controlled trial · 4 results
Mehrazad-Saber Z · Basic & clinical pharmacology & toxicology · 2018
Randomized controlled trial · 5 results
Kabthymer RH · Food science & nutrition · 2026
Randomized controlled trial · 3 results
Ghodsi R · Annals of clinical biochemistry · 2019
Randomized controlled trial · 2 results
Perić L · Applied physiology, nutrition, and metabolism = Physiologie appliquee, nutrition et metabolisme · 2025
Randomized controlled trial · 7 results
de Courten B · Obesity (Silver Spring, Md.) · 2016
Randomized controlled trial · 5 results
Baye E · Amino acids · 2019
Randomized controlled trial · 6 results
Baraniuk JN · Global journal of health science · 2013
Randomized controlled trial · 6 results
Bilgin S · Frontiers in nutrition · 2026
Randomized controlled trial · 8 results
Baye E · Nutrients · 2018
Randomized controlled trial · 3 results
Baba SP · Amino acids · 2024
Randomized controlled trial · 9 results
Everaert I · American journal of physiology. Renal physiology · 2012
Non-randomized trial · 6 results
Ali AN · Nutrients · 2025
Non-randomized trial · 10 results
Baguet A · Journal of applied physiology (Bethesda, Md. : 1985) · 2014
Non-randomized trial · 4 results
Schön M · Physiological research · 2023
Non-randomized trial · 8 results
Blancquaert L · Journal of applied physiology (Bethesda, Md. : 1985) · 2021
Non-randomized trial · 4 results
Chez MG · Journal of child neurology · 2002
Non-randomized trial · 5 results
Regazzoni L · Scientific reports · 2016
Non-randomized trial · 7 results
Zanini D · Nutrition research (New York, N.Y.) · 2020
Case report or series · 10 results
Ostojic S · Current developments in nutrition · 2020
Case report or series · 5 results
Askri A · Animal : an international journal of animal bioscience · 2025
Animal study (in vivo) · chicken · 14 results
Ma XY · Journal of animal physiology and animal nutrition · 2010
Animal study (in vivo) · pig · 14 results
Meng Y · Frontiers in veterinary science · 2024
Animal study (in vivo) · sheep · 13 results
Iyiol AR · Cureus · 2026
Animal study (in vivo) · rat · 3 results
Ozel Turkcu U · Molecular and cellular biochemistry · 2010
Animal study (in vivo) · rat · 8 results
Cianciaruso B · The American journal of physiology · 1985
Animal study (in vivo) · dog · 4 results
Han LY · Zhonghua jie he he hu xi za zhi = Zhonghua jiehe he huxi zazhi = Chinese journal of tuberculosis and respiratory diseases · 2020
Animal study (in vivo) · rat · 8 results
Akkoc RF · Biotechnic & histochemistry : official publication of the Biological Stain Commission · 2021
Animal study (in vivo) · rat · 2 results
Noori S · Indian journal of clinical biochemistry : IJCB · 2010
Animal study (in vivo) · rat · 1 result
Yapislar H · Medical science monitor : international medical journal of experimental and clinical research · 2014
Animal study (in vivo) · rat · 4 results
Grandini NA · Molecular and cellular endocrinology · 2024
Animal study (in vivo) · rat · 9 results
Corona C · PloS one · 2011
Animal study (in vivo) · mouse · 4 results
Albrecht T · Scientific reports · 2017
Animal study (in vivo) · mouse · 13 results
Riedl E · Cellular physiology and biochemistry : international journal of experimental cellular physiology, biochemistry, and pharmacology · 2011
Animal study (in vivo) · rat · 8 results
Approval and sport status, and the safety outcomes reported in study results. Laws and labels change, so check the regulator for the current status.
| Jurisdiction | Body | Status | As of | Source |
|---|---|---|---|---|
| US | FDA | The openFDA Drugs@FDA active-ingredient search returned no carnosine matches. This limited search does not establish absence from every FDA record. | 27 Oct 2026 | fda.gov (opens in a new tab) |
| EU | EMA | The EMA source search did not establish a carnosine marketing authorisation. This does not exclude national authorisations. Cosmetic listings are not medicinal approvals. | 27 Oct 2026 | Not recorded |
| Sport | WADA | Status unknown Carnosine is not named in the 2026 Prohibited List. | 2026 List | wada-ama.org (opens in a new tab) |
| European Union | Note | INCI: CARNOSINE. CosIng reference 55088. Secondary ingredient dictionaries report this entry. The official page did not return the ingredient detail during this check. An inventory entry is not a medicinal approval. | 27 Oct 2026 | specialchem.com (opens in a new tab) |
34 safety results for L-carnosine.
In adults with schizophrenia, adverse events were reported by 30% with L‑carnosine versus 14% with placebo.
Randomized controlled trialn = 75
In children with ASD receiving risperidone, extrapyramidal symptom scores and changes did not differ between carnosine and placebo.
Randomized controlled trialn = 70
In children with ASD receiving risperidone, other side effect frequency did not differ significantly between carnosine and placebo.
Randomized controlled trialn = 70
In stable schizophrenia on risperidone, ESRS scores remained constant in both carnosine and placebo groups.
Randomized controlled trialn = 60
In stable schizophrenia on risperidone, other side effect frequency did not differ significantly between carnosine and placebo.
Randomized controlled trialn = 60
In patients with major depressive disorder receiving citalopram, side-effect frequency did not differ significantly between added L‑carnosine and placebo.
Randomized controlled trialn = 52
In children with ADHD receiving methylphenidate, side effect frequency did not differ significantly between carnosine and placebo.
Randomized controlled trialn = 50
No adverse reactions due to carnosine supplementation were reported in pediatric diabetic nephropathy.
Randomized controlled trialn = 45
In carnosine-treated diabetic rats, retinal photoreceptor numbers were significantly reduced.
Animal study (in vivo)rat
In rat stroke models, safety assessments found no evidence of carnosine adverse effects or toxicity.
Animal study (in vivo)rats
In bleomycin-treated mice, carnosine reduced mortality rate compared with wild-type mice.
Animal study (in vivo)mouse
In rats, carnosine reduced mortality after ischemia from 55% to 17%.
Animal study (in vivo)rat
The top 4 of 13 results.
The doses that these studies used. They are not recommendations.
400 mg for 3 months, then 800 mg from week 13Human
800 mg/day in 2 divided dosesHuman
2 g/dayHuman
2 g dailyHuman
2 g/dayHuman
2 g dailyHuman
6 of 146 shown
PepBank is a research reference. Talk to a doctor before you use any peptide.
Data version, change history and code for this peptide.
curl -s https:// pepbank.io/ v1/ briefs/ l-carnosineEvidence summary for L-carnosine: counts by class, key results with sources, notices, data version.
In PepBank now:147 peptides, 6 blends and 13 other compounds97,577 study results from 17,383 studies8,473 clinical trialsUpdated
Top outcomes
The 8 outcome groups with the most study results, by evidence class.
Data version 308560. Bar length is the number of results, not the size of an effect.
Evidence matrix
Study results by outcome and evidence class. Arrows show how the measured outcome moved, not whether the change is good.
| Outcome group | Human | Animal | Lab | Computer model | Total |
|---|---|---|---|---|---|
| PharmacokineticsPharmacology | Human: 20 results from 8 studies: 11 increase, 1 decrease, 2 no significant change, 6 not reported. Strongest design: Randomized controlled trial | Animal: 26 results from 16 studies: 16 increase, 3 no significant change, 7 not reported. Strongest design: Animal study (in vivo) | Lab: 2 results from 2 studies: 1 increase, 1 decrease. Strongest design: In vitro (cells) | No results | 48 |
| Cognition and memoryNervous system and cognition | Human: 20 results from 6 studies: 7 increase, 2 decrease, 8 no significant change, 1 mixed, 2 not reported. Strongest design: Randomized controlled trial | Animal: 14 results from 9 studies: 9 increase, 3 decrease, 2 no significant change. Strongest design: Animal study (in vivo) | No results | No results | 34 |
| Glycemic controlMetabolic and weight | Human: 16 results from 5 studies: 12 decrease, 4 no significant change. Strongest design: Randomized controlled trial | Animal: 17 results from 9 studies: 4 increase, 8 decrease, 5 no significant change. Strongest design: Animal study (in vivo) | No results | No results | 33 |
| Adverse eventsWhole body | Human: 16 results from 9 studies: 1 increase, 7 no significant change, 8 not reported. Strongest design: Randomized controlled trial | Animal: 8 results from 3 studies: 1 decrease, 5 no significant change, 2 not reported. Strongest design: Animal study (in vivo) | Lab: 1 result from 1 study: 1 no significant change. Strongest design: Ex vivo tissue | No results | 25 |
| Exercise and physical functionWhole body | Human: 15 results from 8 studies: 6 increase, 2 decrease, 7 no significant change. Strongest design: Randomized controlled trial | Animal: 14 results from 7 studies: 6 increase, 6 decrease, 2 no significant change. Strongest design: Animal study (in vivo) | Lab: 1 result from 1 study: 1 no significant change. Strongest design: Ex vivo tissue | No results | 30 |
| Inflammation markersWhole body | Human: 14 results from 3 studies: 1 increase, 1 decrease, 12 no significant change. Strongest design: Randomized controlled trial | Animal: 79 results from 28 studies: 17 increase, 54 decrease, 5 no significant change, 3 not reported. Strongest design: Animal study (in vivo) | Lab: 4 results from 4 studies: 4 decrease. Strongest design: In vitro (cells) | No results | 97 |
| Kidney functionKidney and urinary | Human: 11 results from 4 studies: 5 decrease, 6 no significant change. Strongest design: Randomized controlled trial | Animal: 65 results from 17 studies: 9 increase, 41 decrease, 5 no significant change, 1 mixed, 9 not reported. Strongest design: Animal study (in vivo) | No results | No results | 76 |
| Anxiety and moodMental health and mood | Human: 11 results from 5 studies: 2 increase, 4 decrease, 2 no significant change, 3 not reported. Strongest design: Randomized controlled trial | Animal: 1 result from 1 study: 1 decrease. Strongest design: Animal study (in vivo) | No results | No results | 12 |
| Autism core symptomsNervous system and cognition | Human: 10 results from 3 studies: 1 decrease, 5 no significant change, 4 not reported. Strongest design: Randomized controlled trial | No results | No results | No results | 10 |
| Psychiatric symptomsNervous system and cognition | Human: 10 results from 3 studies: 2 decrease, 5 no significant change, 3 not reported. Strongest design: Randomized controlled trial | No results | No results | No results | 10 |
| Aging markersWhole body | Human: 7 results from 2 studies: 2 increase, 4 decrease, 1 no significant change. Strongest design: Randomized controlled trial | Animal: 7 results from 3 studies: 1 increase, 4 decrease, 2 not reported. Strongest design: Animal study (in vivo) | No results | No results | 14 |
| Blood biochemical markersWhole body | Human: 7 results from 2 studies: 2 decrease, 5 no significant change. Strongest design: Randomized controlled trial | Animal: 4 results from 2 studies: 2 decrease, 2 not reported. Strongest design: Animal study (in vivo) | No results | No results | 11 |
12 outcome groups shown of 61 · 1,203 study results
Data version 308560. Shade grows with the number of results. Every cell shows the exact count.
Trials by phase
2 registered trials, grouped by phase and shown by status.
Source: ClinicalTrials.gov, data version 308560. Status is the registry status.