Supplement evidence

030 / 575Performance

Beta-alanine

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The short answer

Small performance benefits in some high-intensity efforts lasting roughly one to several minutes.

Evidence and scope: Conditional or population-specific
This status does not grade the ingredient for every goal, outcome, or person.
Important limitation: It is not broadly useful for strength, endurance, or longevity.
Before deciding: Tingling is common and dose related; long-term evidence is limited.

01 / PRACTICAL GUIDE

Dose, absorption, and combinations

These are indication-specific reference or studied ranges—not a personalized prescription. Start with the objective, then check the form, label, medicines, and health conditions.

Reference range by objective

Sports performance3.2–6.4 g/day divided for at least 2–4 weeks

Reference or studied range—not a personalized prescription. The product label or a clinician may specify a different dose.

Dose source ↗

More is not automatically better. A clinician or product label may specify a different amount.

Absorption / solubilityWater-soluble

Water-soluble or readily water-dispersible. This does not mean excess is always harmless.

How it is commonly taken

Divide doses or use sustained release to reduce tingling.

Do not combine casually

Do not confuse harmless tingling with an allergy; long-term safety data are less extensive.

Dose and use source ↗

Dose and use links lead to primary or official source material. Search links are discovery tools, not proof that every returned paper applies.

02 / EVIDENCE

What the research says

We keep supportive, mixed, negative, safety, and contextual findings together. The headline never replaces the underlying papers.

4research papers in this ledger

40unique primary studies represented

1,461unique participants represented

These are audited counts for this JIVANA collection, not search-result totals. Participants are counted once when multiple papers use the same cohort; review papers are not added again to participant totals.

Open the research timelineResearch timeline

Entries are ordered by publication year. A study period appears only when the source reports it.

2019

Safety signalPMID 30980076

A Systematic Risk Assessment and Meta-Analysis on the Use of Oral β-Alanine Supplementation

Paresthesia was the only consistently reported side effect and was much more likely than with placebo. Available study-duration data did not show broader harm, but they do not establish indefinite long-term safety.

Published: 2019101 primary studies represented

Study design and methods

Design: Systematic risk assessment and meta-analysis of 101 human and 50 animal studies
Population: Human participants receiving isolated oral beta-alanine, plus supporting animal evidence
Intervention: Oral beta-alanine within studied dosing protocols
Outcome: Reported adverse effects, dropouts, biomarkers, taurine, and histidine

Funding or conflict note: Human studies overlap the efficacy evidence set; animal studies are context only. This review is excluded from aggregate totals.

Open research record ↗

2017

Mixed or qualifiedPMID 27797728

β-alanine supplementation to improve exercise capacity and performance

The overall effect was small. Benefits were more apparent for exercise capacity than real-world performance, and depended on exercise duration and modality.

Published: 2017n=1,461 participants40 primary studies represented

Study design and methods

Design: Systematic review and meta-analysis of 40 double-blind, placebo-controlled studies
Population: 1,461 healthy participants across 65 exercise protocols
Intervention: Chronic beta-alanine supplementation versus placebo
Outcome: Exercise capacity and performance

Open research record ↗

2017

Mixed or qualifiedPMID 28910200

Comparison of Two β-Alanine Dosing Protocols on Muscle Carnosine Elevations

Both regimens increased muscle carnosine, but neither clearly improved the fatigue test. The sustained-release formulation produced no detected group difference in paresthesia in this small short trial.

Published: 2017Duration: 2 or 4 weeksn=30 participants

Study design and methods

Design: Randomized, placebo-controlled dosing trial
Population: 30 adults (18 men and 12 women)
Intervention: Sustained-release beta-alanine 6 g/day for 4 weeks, 12 g/day for 2 weeks, or placebo
Outcome: Muscle carnosine, blood measures, paresthesia, and fatigue test

Funding or conflict note: This study is represented in the broader safety review and is excluded from aggregate totals.

Open research record ↗

2012

Mixed or qualifiedPMID 22270875

Effects of β-alanine supplementation on exercise performance

Exercise capacity improved, especially in tests lasting 60–240 seconds; performance outcomes and efforts under 60 seconds did not clearly improve.

Published: 2012n=360 participants15 primary studies represented

Study design and methods

Design: Meta-analysis of 15 publications covering 23 exercise tests
Population: 360 participants in beta-alanine or placebo groups
Intervention: Beta-alanine supplementation (median total dose 179 g) versus placebo
Outcome: Exercise outcomes by test duration

Funding or conflict note: This earlier evidence set is contained within the 2017 synthesis and is excluded from aggregate totals.

Open research record ↗

Unscreened discovery appendix—not evidence205 candidate publicationsSearch run: Aug 21, 2026

Complete for the displayed PubMed query at the search timestamp—not for all databases or every possible synonym. Candidates can be irrelevant, duplicate the same study, or report negative findings. They are never summed as evidence or participants until screened.

03 / SOURCES

Start with the source material

Official evidence overviewNIH Office of Dietary Supplements Live PubMed discovery searchNational Library of Medicine

The live search is for discovery only. Search-result counts change and are not included in the audited totals above.

Recent PubMed discovery recordsDirect links to the first 12 records returned by the reproducible search. These are discovery candidates—not reviewed summaries or a count of supportive findings.

04 / EXPERT CONTEXT

Expert context—not evidence

Expert positions are dated context—not scientific evidence. They never raise the evidence status or become consensus by repetition.

No direct, source-verified endorsement is currently recorded. Research authorship or discussion alone is not treated as endorsement.