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 ...

Potassium iodide can help protect your thyroid from radioactive iodine. It’s useful during a nuclear radiation emergency. Learn more about the medication.

Although potassium iodide is very effective in preventing the uptake of iodine-131 and thyroid cancer it is not a panacea. Nor is it for everyone. According to the CDC , it is recommended only for ...

In the wake of the Japanese nuclear disaster, the hunt for potassium iodide is on worldwide. This supplement helps offset the devastating health effects of radiation exposure, which could include the ...

Potassium iodide (KI) is a type of iodine a person may receive during a radiation emergency. It works by preventing the thyroid from absorbing a type of radioactive material.