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 A Comprehensive Review of Selenium as a Key Regulator in Thyroid Health Biological Trace Element Research Springer Nature Link Glutathione for Thyroid Health Victoriahealth.com Ltd Drug delivery systems for thyroid disease treatment: A mini review on current therapies and alternative approaches ScienceDirect Hashimoto's vs. Hypothyroidism: Understand the Difference the biostation Glutathione deficiency and heart failure: a systematic review of human and animal evidence ScienceDirect