International Journal For Multidisciplinary Research

E-ISSN: 2582-2160   •   Impact Factor: 9.24

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Branched-Chain Amino Acids (BCAAs) and Muscle Recovery: A Comprehensive Review

Author(s) Ms. Sadhika Prasad T, Dr. Lokesh AC
Country India
Abstract Branched-chain amino acids (BCAAs)—leucine, isoleucine, and valine—are essential amino acids that have gained widespread attention for their role in muscle repair and recovery following exercise. These amino acids are unique in their ability to be directly metabolized in skeletal muscle, where they are believed to promote muscle protein synthesis, reduce muscle damage, and ease soreness after intense physical activity. This review explores the current scientific understanding of how BCAAs influence muscle recovery, including their involvement in key physiological pathways such as mTOR signaling and their potential to reduce delayed onset muscle soreness (DOMS) and exercise-induced fatigue. Findings from both short- and long-term supplementation studies are discussed, with attention given to differences based on training status, type of exercise, and population groups. The review also compares BCAA supplementation to other forms of protein and amino acid intake, addressing practical considerations like timing, dosage, and safety. While many studies report positive outcomes, the evidence remains mixed, and more robust research is needed to clarify when and for whom BCAAs offer meaningful benefits. Overall, this review provides a balanced perspective on the use of BCAAs as a recovery aid and outlines directions for future investigation.
Keywords Branched-chain amino acids (BCAAs), Leucine, Isoleucine, Valine, mTOR signaling, Muscle protein synthesis
Field Sociology > Health
Published In Volume 7, Issue 3, May-June 2025
Published On 2025-06-22
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E-ISSN 2582-2160
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