Hypothyroidism (underactive thyroid) is more common in people with Down syndrome. About 40% of the adolescents and adults with Down syndrome we have seen at our clinic have hypothyroidism. One of the 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 Understanding Hypothyroidism: Diagnosis and Treatment The Benefits of Amino Acids for Hashimoto's Dr. Izabella Wentz, PharmD 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,