Overview: Glutathione is the principal intracellular thiol antioxidant tripeptide and is a standard reference compound in oxidative-stress research. It is intended strictly for in vitro and laboratory research applications. Contents: 600mg and 1500mg lyophilized vials of reduced L-glutathione (GSH) supplied as sterile lyophilized powder. Purity: >99% (batch-specific COA reports 99.432% purity via HPLC analysis). Quality Assurance: • Independent third-party testing on every batch • HPLC purity verification and mass-spectrometry identity confirmation • Manufactured under strict aseptic and analy