is glycine a precursor to glutathione Mode of action of Amino acid Precursors (GAP) and functions One of my favs, the

Cell lysate was sonicated and centrifuged at 14,000 rpm at 4 C to remove cell debris

Glutathione is a tiny compound formed by three building-block amino acids: cysteine, glycine, and glutamic acid

The honest answer is: it's more interesting than most peptides in this space, the mechanism is real, there's some legitimate clinical evidence and there are also significant gaps in the data that the internet tends to paper over

151,152 H 2 S and cancer: beyond disturbed metabolism In addition to the energetic stimulus afforded by low H 2 S concentrations, the link between the adaptability of cancer cells to an evolving and challenging environment and enhanced H 2 S metabolism extends to adaptation to hypoxia, antioxidant capacity, neoangiogenesis, cell cycle regulation, apoptosis evasion and chemoresistance