Potassium iodide (KI) is a salt that can help protect you from radioactive iodine. Your thyroid gland is the part of your body that’s most sensitive to radioactive iodine. Potassium iodide can help ...

Iodine is a chemical compound used in some disinfectants and some chemicals used in X-ray procedures. Some people can have a severe intolerance to iodine, but it is not categorized as an allergic ...