Research
Energy balance
The efficacy of BCAA supplementation has been a source of controversy in the sports nutrition field.
Practitioners should be cautious and consider the ongoing debate regarding the effectiveness of BCAA supplementation.
StrongQualifiesmedium confidence
Despite their prevalent consumption among athletes and the general public, the efficacy of BCAA has been an ongoing source of controversy in the sports nutrition field.
Why this rating
The claim is based on a narrative review of existing literature.
Source
Isolated Leucine and Branched-Chain Amino Acid Supplementation for Enhancing Muscular Strength and Hypertrophy: A Narrative Review
Daniel L. Plotkin et al. · International Journal of Sport Nutrition and Exercise Metabolism · 2021
DOI 10.1123/ijsnem.2020-0356
reviewCited 76×
Read the paper DOI resolved against Crossref · corpus check 2026-06-10
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