Amazon.com: Board Room Organics Ultimate Liposomal Glutathione : Health & Household Changes in levels of the antioxidant glutathione in brain and blood across the age span of healthy adults: A systematic review ScienceDirect 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 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, Supplements to Increase Glutathione in the Body? Office for Science and Society McGill University