Glutathione is the body's primary internal antioxidant, made using the amino acid cysteine, and it helps protect cells from oxidative stress. Beyond detoxification, research shows glutathione is involved in thyroid hormone metabolism, Glutathione The Master Antioxidant With Enormous Benefits Wellness By Rosh Integrative Wellness Is Glutathione the Master Antioxidant? Heres What Science Says The biggest mistake people make with detox is thinking it's about sweating toxins out. Real detox actually depends heavily on glutathione Why? It's known as the master antioxidant. Your liver produces it