Does Glutathione Help Thyroid Health? Taking a Closer Look at the Possibilities of Supplementation Tesseract Is Quinoa Good or Bad for Thyroid? The Real Answer Amino acids and thyroid function Nutritionist Resource Holista Glow Me Glutathione 300 mg 60 Softgels Nahdi Glutathione is the body's primary internal antioxidant, made using the amino acid cysteine, and it helps protect cells from oxidative stress. Beyond detoxification, research shows glutathione is involved in thyroid hormone metabolism,