1992;262:H246H254
Glutathione is a tripeptide, a small molecule built from three amino acids (cysteine, glycine, and glutamic acid), and it functions as the primary antioxidant inside nearly every cell
Cysteine, the central amino acid in glutathione, contains a carbon atom that is bonded to a sulfur-hydrogen functional group
This makes oral delivery the preferred route for GI-specific indications, while injectable delivery is preferred for systemic tissue repair goals (joint, muscle, tendon, systemic inflammation)
Polymers composed of polyoxypropylene and polyoxyethylene form thermoreversible gels when incorporated into aqueous solutions
Others were consuming the substances for anti-ageing or muscle building