Full article: An increase of oxidative stress markers and the alteration of the antioxidant enzymatic system are associated with spleen damage caused by methimazole induced hypothyroidism Oxidative stress in Hashimoto's thyroiditis: possible adjuvant therapies to attenuate deleterious effects Molecular and Cellular Biochemistry Springer Nature Link 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, What You Need to Know About Bug Bites and Dental Triggers of Hashimoto's Phytotherapeutic Support of Thyroid Function Your Hormones Iodine Linus Pauling Institute Oregon State University