L-Glutathione (Reduced / GSH) Injectable — Research Grade

✅ γ-Glutamyl tripeptide (γ-Glu-Cys-Gly) — primary cellular non-protein thiol ✅ GPx substrate (peroxide reduction) + GST co-substrate (xenobiotic conjugation) + redox-status buffer ✅ Unique γ-peptide bond — peptidase-resistant; only γ-GT cleaves it ✅ Canonical reference compound for cellular antioxidant defence research ✅ Lyophilized USP-grade reduced form; CAS 70-18-8, MW 307.32 L-Glutathione (Reduced / GSH) contains the γ-glutamyl-cysteinyl-glycine tripeptide research compound.