Residents have been told only to take it if a radiation leak is confirmed. So far, only people living within 50km (30 miles) of the power plant are being offered the potassium iodide tablets ...

Sales of potassium iodide or KI pills, which are often marketed as protecting the body from radioactive fallout, are soaring. But radiation health experts say the pills aren't really helpful in ...

In the event of a nuclear catastrophe, taking iodine can help to protect against some types of radiation exposure ... iodine thyroid blocking. Potassium iodide (KI) tablets – a specific type ...