What is Potassium Iodide (KI)?

Potassium iodide (also called KI) is a salt of stable (not radioactive) iodine. Stable iodine is an important chemical needed by the body to make thyroid hormones. Most of the stable iodine in our bodies comes from the food we eat. KI is stable iodine in a medicinal form. 

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1. What is Potassium Iodide (KI)?
2. What does KI do?
3. How does KI work?
4. How well does KI work?
5. Who should take KI?
6. When should I take KI?
7. How much KI should I take?
8. How often should I take KI?
9. What are the possible risks and side effects of KI?
10. Where can I get KI?