Potassium iodide is a salt made up of the minerals potassium (K) and iodine (I). Its chemical formula is “KI.” Potassium iodide is a medication and, when used properly, it can help protect the thyroid ...

Sales of potassium iodide pills, like these shown from 2002, soar as fears of radiation from nuclear fallout or reactor accidents rise amid Russia’s invasion of Ukraine. Carlos T. Miranda Associated ...

If you live near any of Pennsylvania's four nuclear power plants, you will be able to get a fresh batch of potassium iodide tablets in mid August, to use in case of a radiation leak. But what are ...

Fears of a potential nuclear conflict or accident after Russia’s invasion of Ukraine are sparking a huge interest in iodine tablets, which can protect the body from some of the harmful effects of ...