Reduced glutathione tripeptide antioxidant. ≥99% purity, lyophilized powder, third-party COA.
Glutathione (GSH) is a reduced tripeptide (L-glutamyl-L-cysteinylglycine) widely studied as an endogenous antioxidant and for skin-care applications. Supplied as a lyophilized powder with purity ≥99% by HPLC. Third-party COA available upon request. Suitable for cosmetic formulation and research use.