Pharmaceutical Grade Glutathione: Glutathione is the most abundant intracellular thiol (ie, a compound with a sulfhydryl group) and low molecular weight tripeptide found in living cells; Tripeptide includes glycine, cysteine and glutamate
Intracellular Antioxidant: The antioxidant functions of glutathione include recycling vitamin E and C and serving as an antioxidant in all types of tissues; A low ratio of reduced vs oxidized glutathione is used as a measure of cellular toxicity