potassium iodide radiation protection
US Pharm. 2011;36(6):HS-25-HS-28. Potassium iodide (KI) is an inorganic compound that is available from three manufacturers under different brand names as an antidote to radiation exposure. From a chemistry point of view, it is made from potassium hydroxide and iodine, and it is the most produced iodide compound in the world.