BCAA vs Beta-Alanine for performance
Short answer: For performance, more users report improvement with Beta-Alanine — 95% of 96 reports, versus 84% of 25 for BCAA.
BCAA has 65 meta-analyses and 287 randomized trials on PubMed; Beta-Alanine has 95 and 134.
Based on 184 reports about BCAA and 351 about Beta-Alanine. Not medical advice.
| BCAA Supplement | Beta-Alanine Supplement | |
|---|---|---|
| Users say it helped | 22%helped68 reports · medium confidence | 67%helped116 reports · high confidence |
| Verdict | Mixed | Mostly positive |
| Research | AResearch: Strong | AResearch: Strong |
| Meta-analyses / RCTs | 65 / 287 | 95 / 134 |
| Mainly used for | ||
| Performance % reporting improvement | 84% (25) | 95% (96) |
| Recovery % reporting improvement | 92% (24) | 100% (2) |
| Energy % reporting improvement | 100% (7) | 88% (16) |
| Anxiety % reporting improvement | — | 100% (5) |
| Common side effects | stomach issues, bad taste, tooth sensitivity, poor mixability | tingling, paresthesia, tingles, itching |
| Typical dose reported | 10-15 g / sometimes | 3 g / daily |
The overall effects of BCAA supplementation could be considered useful for lowering CK and DOMS after EIMD, but not LDH. The longer supplementation period prior to the EIMD could be more effective for CK and DOMS reduction.
Sports Med Open, 2024 ↗“noticed when I use BCAA have lower RHR after workouts, so probably must-have”
β-alanine had a significant overall effect while subgroup analyses revealed a number of modifying factors. These data allow individuals to make informed decisions as to the likelihood of an ergogenic effect with β-alanine supplementation based on their chosen exercise modality.
Br J Sports Med, 2017 ↗“2 grams of Beta Alanine...helps with the area of the brain which is responsible for making tactical decisions. Helped me pick and choose battles on the exam to get the most points.”
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Percentages come from first-hand user reports and are not clinical outcomes. Talk to a doctor before starting, stopping or combining anything. How we rate