What is Glutathione, Its Benefits, and Treatments? Anadolu Salk Merkezi Glutathione is called the body's master antioxidant for a reason. It plays a major role in: Detoxification Immune support Cellular protection Energy production Healthy aging Stress, poor sleep, processed foods, toxin exposure, The Rockefeller University How the antioxidant glutathione keeps mitochondria healthy Measurement of superoxide dismutase, catalase and glutathione peroxidase in cultured cells and tissue Nature Protocols