KI tablets form nutritional supplements, since the nutritional requirement for iodine is only 150 micrograms (0.15 mg) of iodide per day. Thus, a drop of SSKI provides 50/0.15 = 333 times the daily iodine requirement, and a standard KI tablet provides twice this much. References External links World Health Organization's guidelines for iodine prophylaxis following a nuclear accident Potassium compounds Alkali metal iodides Disaster preparedness Expectorants Iodides Food additives Metal halides Photographic chemicals Radiobiology World Health Organization essential medicines Wikipedia medicine articles ready to translate Rock salt crystal structure Ophthalmology drugs