Three amino acids walk into a bar.the adventures of supporting glutathione synthesis in fatty liver disease using serine & nicotinamide riboside Dr. Kara Fitzgerald Glutathione: Master Antioxidant, Reducing Oxidative Stress, and Detoxification 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, Pyroglutamic acidosis by glutathione regeneration blockage in critical patients with septic shock Critical Care Springer Nature Link