The Biological Functions of Glutathione Encyclopedia MDPI Amazon.com: Immunocal Glutathione Precursor Supports Natural Glutathione Production Immune & Antioxidant Support, Cellular Health Sugar Free, Lactose Free 30 Servings : Health & Household Glutathione is a critical soldier in our line of defense. We even have mechanisms that recycle and reuse it. But what happens when our toxic burden becomes too high? Our genetic detoxification Sacramento Glutathione (GSH) is a crucial endogenous "master" antioxidant that protects the heart by reducing oxidative stress, neutralizing lipid peroxides, and preventing cell death. Low glutathione levels are consistently found in