Diseases Linked to LOW GLUTATHIONE Methimazole induced hypothyroidism causes alteration of the REDOX environment, oxidative stress, and hepatic damage; events not caused by hypothyroidism itself Annals of Hepatology Levothyroxine (Synthroid, Tirosint, Levoxyl) is a medication for treating hypothyroidism (underactive thyroid), a condition that is more common in people with Down syndrome. Health care providers usually recommend taking levothyroxine with water 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