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 ...

As Russia’s invasion of Ukraine nears its three-week mark, repercussions are being felt around the world as the prices of oil and grain climb. But a less common consumer product has also become a hot ...

I studied it in school. I know it is a micronutrient that the body needs in teeny tiny amounts. But I hadn’t thought much more about iodine until I was told to temporarily avoid it for an upcoming ...