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Well, most L-Glutamine supplements are marketed towards athletes and weight lifters, who use L-glutamine to help their bodies and muscles recover after intense training and to alleviate performance-inhibiting conditions such as muscle fatigue 17

doi: 10.1038/s41598-024-55145-y 251 LiuPZhouYShiJWangFYangXZhengXet al

Marcos, A

If body composition or glucose regulation is off, GLP-1 therapy does more for healthspan than any peptide, with phase 3 evidence behind it (14.9% weight loss in STEP 1, Wilding 2021 NEJM

Data on study design, findings, and mechanisms were extracted independently by two reviewers, with discrepancies resolved through consensus