the Master Antioxidant: What Glutathione Injections Can Do for Your Body Glutathione (GSH), a tripeptide with an active SH function. GSH Download Scientific Diagram What Is Glutathione? A Summary of Glutathione Lifespan Research Institute Glutathione is often called the body's master antioxidant for a reason. Research shows it plays a major role in detoxification, oxidative stress control, liver support, and neutralizing toxic alcohol byproducts like