Beta-Alanine
Amino Acid ·Exploratory record · not publication-reviewed ·Updated July 13, 2026
Precursor to carnosine, buffering muscle acidity during high-intensity exercise.
Exploratory record, not a reviewed medical publication.
See the editorial and medical-review policies for the publication gate.
This generated database record has not completed a claim-level review by a qualified human medical reviewer. Bibliography links and evidence labels are not approval. The page remains available for reference and is excluded from search indexing.
What the research says.
A quick, data-only summary. The full evidence, dosing, and sources are below.
Beta-Alanine is an amino acid most often used for exercise endurance, muscle buffering, performance. NutriStack rates the overall evidence as strong. A typical adult dose is 3.2-6.4 g daily (split doses), commonly taken as beta-alanine powder (sustained-release to reduce tingling). This profile indexes 15 sources.
The bottom line
Evidence rating strong. Most-documented uses: exercise endurance, muscle buffering, performance. 15 sources indexed (2012–2025), with 0 interaction records on file.
How it works, mechanistically.
Core mechanism
Combines with histidine in muscle to form carnosine. Carnosine buffers H+ ions during intense exercise, delaying muscle fatigue and the burning sensation.7,12
Dosing & protocol.
What it actually costs.
Real-world pricing across three quality tiers. Assumes Beta-Alanine Powder.
Assumes 3.2-6.4 g/day. Vendor basis: BulkSupplements powder, NOW Sports/iHerb, Vitacost, and Amazon marketplace; sustained-release tablets cost more. Updated 2026-05-28.
The same dose, as food.
How much you'd eat to match a supplemental dose.
Meat provides beta-alanine mostly as carnosine or anserine; supplement doses are much more concentrated.
Full safety detail.
Side effects
- Paresthesia (tingling, harmless)
- Flushing
Contraindications
- Generally very safe9
Sources, by evidence tier.
Numbered references. Citations throughout the page link here.
Meta-analyses & systematic reviews
11- 1Effects of Creatine and β-Alanine Co-Supplementation on Exercise Performance and Body Composition: A Systematic ReviewPMIDAshtary-Larky D, Candow DG, Forbes SC et al. · Nutrients · 2025
Ashtary-Larky D, Candow DG, Forbes SC et al.. Effects of Creatine and β-Alanine Co-Supplementation on Exercise Performance and Body Composition: A Systematic Review. Nutrients. 2025
- 2Dosing strategies for β-alanine supplementation in strength and power performance: a systematic reviewPMIDOng SW, Chen WL, Chien KY et al. · Journal of the International Society of Sports Nutrition · 2025
Ong SW, Chen WL, Chien KY et al.. Dosing strategies for β-alanine supplementation in strength and power performance: a systematic review. Journal of the International Society of Sports Nutrition. 2025
- 3Sodium bicarbonate and beta-alanine supplementation: Is combining both better than either alone? A systematic review and meta-analysisPMIDCurran-Bowen T, Guedes da Silva A, Barreto G et al. · Biology of sport · 2024
Curran-Bowen T, Guedes da Silva A, Barreto G et al.. Sodium bicarbonate and beta-alanine supplementation: Is combining both better than either alone? A systematic review and meta-analysis. Biology of sport. 2024
- 4Effects of beta-alanine supplementation on body composition: a GRADE-assessed systematic review and meta-analysisPMIDAshtary-Larky D, Bagheri R, Ghanavati M et al. · Journal of the International Society of Sports Nutrition · 2022
In 20 studies with 492 participants, beta-alanine had no effect on body mass, fat mass, body fat percentage, or fat-free mass. Subgroup analyses by exercise type, duration, and dosage showed similar null results. Evidence certainty was low to moderate.
- 5Ergogenic Aids to Improve Physical Performance in Female Athletes: A Systematic Review with Meta-AnalysisPMIDLópez-Torres O, Rodríguez-Longobardo C, Capel-Escoriza R, Fernández-Elías VE · Nutrients · 2022
Systematic review of female athletes found that taurine, caffeine, and beta-alanine could improve aerobic tests. Studies on beta-alanine in female athletes are scarce. More research is needed on various ergogenic aids in this population.
- 6Effects of beta-alanine supplementation on Yo-Yo test performance: A meta-analysisPMIDGrgic J · Clinical nutrition ESPEN · 2021
Grgic J. Effects of beta-alanine supplementation on Yo-Yo test performance: A meta-analysis. Clinical nutrition ESPEN. 2021
- 7The Muscle Carnosine Response to Beta-Alanine Supplementation: A Systematic Review With Bayesian Individual and Aggregate Data E-Max Model and Meta-AnalysisPMIDRezende NS et al. · Frontiers in Physiology · 2020
Four weeks of beta-alanine supplementation (4-6 g daily) significantly augments muscle carnosine concentrations, which serves as a major H+ buffer during high-intensity exercise.
- 8Effects of Beta-Alanine Supplementation on Physical Performance in Aerobic-Anaerobic Transition Zones: A Systematic Review and Meta-AnalysisPMIDHuerta Ojeda Á, Tapia Cerda C, Poblete Salvatierra MF et al. · Nutrients · 2020
Huerta Ojeda Á, Tapia Cerda C, Poblete Salvatierra MF et al.. Effects of Beta-Alanine Supplementation on Physical Performance in Aerobic-Anaerobic Transition Zones: A Systematic Review and Meta-Analysis. Nutrients. 2020
- 9A Systematic Risk Assessment and Meta-Analysis on the Use of Oral Beta-Alanine SupplementationPMIDDolan E et al. · Advances in Nutrition · 2019
Beta-alanine supplementation at recommended doses does not adversely affect health; no evidence of serious safety concerns in healthy populations.
- 10Beta-alanine supplementation to improve exercise capacity and performance: a systematic review and meta-analysisPMIDSaunders B et al. · British Journal of Sports Medicine · 2017
Beta-alanine improved exercise capacity (ES 0.18) across 40 studies with 1,461 participants; greatest effect for exercise lasting 0.5-10 minutes.
- 11The effects of beta-alanine supplementation on performance: a systematic review of the literaturePMIDQuesnele JJ, Laframboise MA, Wong JJ et al. · International journal of sport nutrition and exercise metabolism · 2014
Quesnele JJ, Laframboise MA, Wong JJ et al.. The effects of beta-alanine supplementation on performance: a systematic review of the literature. International journal of sport nutrition and exercise metabolism. 2014
Randomized controlled trials
1- 12Effect of slow-release beta-alanine tablets on absorption kinetics and paresthesiaPMIDDecombaz J et al. · Amino Acids · 2012
Sustained-release formulation attenuated paresthesia while maintaining similar total beta-alanine absorption; oral doses >800 mg commonly cause transient tingling.
Reviews & position papers
1- 13International society of sports nutrition position stand: Beta-AlaninePMIDTrexler ET et al. · Journal of the International Society of Sports Nutrition · 2015
Daily supplementation with 4-6 g beta-alanine for 2-4+ weeks improves exercise performance, especially in open-endpoint tasks lasting 1-4 minutes; only reported side effect is transient paresthesia.
Reference material
2- 14Georgiou GD, Antoniou K, Antoniou S et al.. Effect of Beta-Alanine Supplementation on Maximal Intensity Exercise in Trained Young Male Individuals: A Systematic Review and Meta-Analysis. International journal of sport nutrition and exercise metabolism. 2024Source linkedPMID
- 15Hobson RM, Saunders B, Ball G et al.. Effects of β-alanine supplementation on exercise performance: a meta-analysis. Amino acids. 2012Source linkedPMID
Common questions.
Quick answers about Beta-Alanine, drawn from the data on this page.
What is Beta-Alanine?
Precursor to carnosine, buffering muscle acidity during high-intensity exercise.
What is Beta-Alanine used for?
Commonly cited benefits of Beta-Alanine include: Exercise endurance; Muscle buffering; Performance. NutriStack rates the overall evidence as strong.
What is a typical dose of Beta-Alanine?
A typical adult dose of Beta-Alanine is 3.2-6.4 g daily (split doses). The commonly recommended form is Beta-Alanine powder (sustained-release to reduce tingling). These are general ranges, not personalized advice; confirm the right dose with a clinician.
What are the side effects of Beta-Alanine?
Reported side effects include paresthesia (tingling, harmless), flushing. This is educational information; check with a healthcare professional before use.
How strong is the evidence for Beta-Alanine?
NutriStack rates this as Strong, meaning multiple high-quality meta-analyses or systematic reviews converge on the same finding. Full tier criteria are at https://nutristackapp.com/methodology/evidence-tiers.
Use this with your stack
Beta-Alanine in NutriStack.
Add it to your stack, see how it interacts with everything else you take, and get a Stack Score that updates the moment it does.