Product Overview 1. Glutathione is a non-protein sulfhydryl tripeptide compound formed by glutamic acid, cysteine and glycine through peptide bond condensation. It is an active short peptide with wide usage. 2. Glutathione is soluble in water, dilute alcohol, liquid ammonia and dimethyl formamide, but insoluble in ethanol, ether and acetone. The solid of glutathione is relative stable and its aqueous solution can easily be oxidized in the air.