6 health benefits of glutathione Glutathione Metabolism and Its Implications for Health ScienceDirect Assessment of red blood cell glutathione status in insulin resistance 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: Master Antioxidant, Reducing Oxidative Stress, and Detoxification What is Glutathione & why is it so important ? OptimOZ.com.au