Frontiers Glutathione: A Samsonian life sustaining small molecule that protects against oxidative stress, ageing and damaging inflammation Structure of tripeptide glutathione in its reduced form, one of the Download Scientific Diagram Glutathione is often called the body's master antioxidant, but most people don't really understand what it does. It plays a central role in protecting your cells from damage, supporting detox pathways, and Glutathione is an important antioxidant and a tripeptide