Frontiers Selenium and thyroid diseases Frontiers Glutathione: A Samsonian life sustaining small molecule that protects against oxidative stress, ageing and damaging inflammation Hashimoto's Thyroiditis Causes, Symptoms, Diagnosis, and Treatment Get ready to discover the extraordinary powers of glutathione, the ultimate antioxidant defender that shields your body from diseases, fights cancer progression, and enhances insulin sensitivity. But don't just take our word Thymoquinone protects against hypothyroidism induced cardiac histopathological changes in rats through a nitric oxide antioxidant mechanism.