Ishibashi M, Akazawa S, Sakamaki H, Matsumoto K, Yamasaki H, Yamaguchi Y, Goto S, Urata Y, Kondo T, Nagataki S: Oxygen-induced embryopathy and the significance of glutathione-dependent antioxidant system in the rat embryo during early organogenesis
Researchers also distinguish reduced glutathione (GSH) from the disulfide GSSG, since it is the GSSG/2GSH ratio, not total glutathione, that Schafer and Buettner (Free Radical Biology and Medicine, 2001) established as the quantitative index of the cellular redox environment
For a broader introduction to how peptides function in the body at the cellular level, Meto's How Peptides Work in the Body: Cell Signaling, cAMP & Healing Science covers the signalling biochemistry in accessible detail
Synergy: Can They Be Used Together