Raised plasma glutathione S transferase values in hyperthyroidism and in hypothyroid patients receiving thyroxine replacement: e L Glutathione Antioxidant Support Allergy Research Group Hyperthyroidism: Symptoms, Causes and Support Strategies This one antioxidant is ULTRA important for your thyroid function Glutathione is our body's master antioxidant meaning it's the most important and abundant one. As it relates to the thyroid, think How safe is radioactive iodine therapy? Hyperthyroidism Treatment Boston & Newton Five Journeys