Will supplementing with BCAAs and arginine increase exercise performance?

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    Last Updated: October 25, 2023

    Supplementing with these amino acids does not appear to have meaningful ergogenic benefits for trained athletes. However, supplementation may provide long-term benefits with respect to muscle growth[1] and preservation,[2] which may lead to accumulated performance benefits in the long term.

    References

    1. ^David J GlassSignalling pathways that mediate skeletal muscle hypertrophy and atrophyNat Cell Biol.(2003 Feb)
    2. ^A Suryawan, J W Hawes, R A Harris, Y Shimomura, A E Jenkins, S M HutsonA molecular model of human branched-chain amino acid metabolismAm J Clin Nutr.(1998 Jul)