This is because standard glutathione has a major weakness: your digestive system
Its only substrate is hydrogen peroxide
4 Avoid artificial chemicals and toxins such as insecticides, pesticides, artificial sweeteners (especially aspartame), colourings, flavourings and preservatives
Cha-Molstad, H., Saxena, G., Chen, J
MOTS-c targets AMPK-dependent insulin sensitization Regulatory status / FDA lists both peptides among bulk drug substances under evaluation for compounding Why No Direct Comparison Exists Neither AOD-9604 nor MOTS-c has advanced far enough in clinical development for a randomized head-to-head trial
85 One-carbon metabolism and cysteine bioavailability The de novo synthesis of cysteine cannot be addressed without mentioning the involvement of serine and glycine in the one-carbon pathway