The same reporting described how many peptide products then appeared more often as research-only materials, while human clinical evidence for many compounds remained limited
A larger follow-up RCT (n=72 older adults) confirmed these findings, additionally demonstrating improvements in gait speed (+0.14 m/s), grip strength, 6-minute walk distance, waist circumference reduction, and systolic blood pressure reduction (Kumar et al., J Gerontol A Biol Sci Med Sci, 2023) [21]
Petersen KM, Bgevig S, Holst JJ, Knop FK, Christensen MB, et al
When comparing glutathione vs L-glutathione for skin, the terms are often used interchangeably because most oral glutathione supplements contain L-glutathione
Stress management: Chronic stress elevates cortisol, which can impair fat loss and recovery
Possible Benefits: Supports fat metabolism Encourages overall energy levels Assists liver function 7