Glutathione and Nitric Oxide: Key Team Players in Use and Disuse of Skeletal Muscle 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, How Glutathione Works in the Human Body Dr.Ankit Chaudhary posted on the topic LinkedIn Glutathione Benefits for Your Health and Body Glutathione is a substance made from the amino acids glycine, cysteine, and glutamic acid. It is produced by the liver and involved in many body processes. Glutathione is involved in tissue building