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Evidence-Based Supplement Research
Evidence-Based Supplement Research
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Beta-Alanine and Improved Peak Power

Research synthesisLow evidenceSmall effect3 studies · 0 beneficial · 3 neutral · 0 harmful

Across 3 studies (a systematic review and 2 RCTs), beta-alanine supplementation showed no beneficial effect on peak power, with all studies reporting neutral findings and small effect sizes. The median study duration was 56 days, and doses ranged from 3.2 to 6.4 g/day, but no consistent effective dose emerged. No population studied (women, athletes, older adults) demonstrated improvement.

Caveats: Evidence base is small (only 3 studies) — conclusions should be considered preliminary. Many of the included studies did not reach statistical significance, and the systematic review noted very low certainty of evidence due to risk of bias, imprecision, indirectness, and publication bias.

Generated Jul 14, 2026
Doses used in studies
  • g/day: 3.2–6.4 (median 4.8, IQR 4–5.6) — 2 studies
Time to effect
Median: 8 weeks · IQR 6 weeks–10 weeks · Range 4 weeks–2.8 months — Reported in 2 of 3 studies
3 of 3 papers
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