Iodine compounds are chemical substances that contain the element iodine. They can be found in various forms, including iodides and iodates, and are used in a range of applications, from medical to industrial. Iodine is essential for human health, particularly in the production of thyroid hormones, which regulate metabolism. In addition to their biological importance, iodine compounds are utilized in disinfectants, photography, and as catalysts in chemical reactions. Some common iodine compounds include potassium iodide and sodium iodide, which are often used in dietary supplements and medical imaging.