Selenometh-iodine 90cap Tablets contain both Selenium and Iodine. Iodine is necessary for proper production of thyroid hormone. Selenium is a natural antioxidant which delays the oxidation of polyunsaturated fatty acids and preserves the elasticity of tissue. Selenium is required for the production of certain prostaglandins which promote healthy blood flow. In synergy with vitamin E, selenium promotes healthy growth and fertility, and improves the function of certain energy producing cells. Selenium also provides support for the immune system. Each Capsule contains: 3mg Iodine (kelp) 200 mcg Selenium (pure L-Selenomethionine)