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 GnIH induced mitochondrial dysfunction lead to oxidative stress and apoptosis in thyroid follicular cells, causing hypothyroidism ScienceDirect Glutathione peroxidase 4 inhibition induces ferroptosis and mTOR pathway suppression in thyroid cancer Scientific Reports Thyroid Problems Can Be Caused By Poor Diet What You Can Do The must have supplement for every patient with Hashimoto's: Glutathione RedRiver Health and Wellness Center