Finally, many studies have interrogated the role of requisite amino acids (i.e., cysteine, glutamate, and glycine) or metabolic cofactors that regenerate GSH (i.e., NADPH) 20,21,22,23,24,25 in GSH synthesis
Those enzyme quirks like glutathione-S-transferase and gamma-glutamyl transferase switch things up, affecting how we manufacture and replenish glutathione (NCBI)
Becerra, the 24-year-old mentioned earlier, is passionate about optimizing men's hormones, as part of a bigger quest to boost testosterone, masculinity, and male self-confidence
In short: the cell-culture data establishes biological plausibility for hair-follicle effects