GLUTATHIONE WHAT YOU NEED TO KNOW Glutathione is a master antioxidant essential for optimizing our health. Many Americans are chronically depleted in glutathione due to: Living in a stressed state 24 7 Glutathione peroxidase 4 inhibition induces ferroptosis and mTOR pathway suppression in thyroid cancer Scientific Reports 9 Health Benefits of Glutathione 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, Multiple nutritional factors and thyroid disease, with particular reference to autoimmune thyroid disease Proceedings of the Nutrition Society Cambridge Core