He C, Li Y, Gan L, Lin Y, Zhang B, Ma L, et al
Taken orally, glutathione has inherently low bioavailability as it faces two key obstacles: the strong acidity of gastric juices and the action of a liver enzyme called gamma-glutamyltranspeptidase (GGT) which catalyzes the first stage of its breakdown (8)
Not legally available over the counter as dietary supplements
Cera Alba is the white, bleached form of this ingredient
Nevertheless, since GSH cannot be administered directlybecause of its insufficient absorption, stability and solubilityanalogues have been obtained, through modifications at the -glutamyl, cysteine and glycine moieties, and/or the functionalisation of the central cysteine, that are able to inhibit the activity of GSTs 69,87,105
22 Feb, 2026 Where has this been