Iodine is best known for supporting thyroid function - thyroid hormone production would be impossible without it. But iodine also promotes detoxification, supports the immune system, enhances energy and libido, and supports metabolism. Tri-Iodine contains three forms of this important mineral to nourish multiple body systems. Breast and prostate tissue optimize molecular iodine, while the thyroid prefers iodine as potassium iodide. Sodium iodine may enhance iodine absorption.