This one antioxidant is ULTRA important for your thyroid function , Glutathione is our bodys master antioxidant meaning its the most important and abundant one. As it relates to the thyroid, Hyperthyroidism American Thyroid Association The role of selenium for patients to complement, used alongside the treatment for mild Graves' Disease, particularly to improve quality of life and reduce eye problems in patients with mild Thyroid Eye Glutathione Participation in the Prevention of Cardiovascular Diseases