The present disclosure relates to a compound and method of using such compound, preferably in the form of a dietary supplement that, when administered, is capable of treating thyroid disease and various thyroid-related disorders, such as Hashimoto's thyroiditis. The unique combination of the composition is preferably administered orally via acid resistant or enteric-coated capsule, soft gel or tablet. The composition is preferably comprised of at least Catalase, Reduced Glutathione, Acetylated Glutathione, DPP-IV protease enzyme, Pepsin, Bromelain, Pancreatin, Vitamin D, and Selenium. The composition can further comprise a palliative agent, and can be provided in specific dosages or administered in forms besides those listed above.