Branched Chain Amino Acids
Evidence status
Limited evidence to recommend for any consumer outcome yet.
2 papers · 1 claim · 2 outcomes scored
Outcomes
What branched chain amino acids actually does, by outcome
Each row is one outcome with effect size, evidence base, the dose that worked in trials, and time to first effect. Magnitude tiers come from native-unit MCID where available, Cohen's d otherwise.
Outcome Effect size Evidence Dose Weeks Rank
Last longer before giving out Probably doesn't help
More reps, more miles, and a higher ceiling before fatigue forces you to stop.
1 meta-analysis n=1.0k — —
1 meta-analysis
n=1.0k
Meta-analyzed
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| Outcome | Effect | Evidence | Dose | Weeks | Rank |
|---|---|---|---|---|---|
| Last longer before giving out Probably doesn't help | | 1 meta-analysis n=1.0k Meta-analyzed | — | — | — |
Risk profile
Adverse events and known drug interactions
Safety events
nausea
vomiting
diarrhoea
abdominal pain
abdominal distension
hypertension
Sources
Generated August 14, 2026