Is topical glutathione over the thyroid worthwhile? #topicalglutathione # glutathione #thyroidtok #hashimotos #hashimotosjourney 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, 8 Hypothyroidism Medication Mistakes to Avoid The Best Strategies for Reducing Thyroid Taking Glutathione Supplement? Here's What You Should Avoid