Potassium iodide and potassium iodate are referred to as thyroid blockers when used for radiation protection. If a person consumes a dose of one of these compounds, the thyroid gland can become saturated with stable iodine, which prevents it from accumulating radioactive iodine released after a nuclear meltdown or explosion. Thyroid blockers are used as part of emergency preparedness and response protocols for radiological incidents, including guidelines issued by agencies such as the CDC, WHO, and the US Nuclear Regulatory Commission.
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1. Wikipedia
Wikipedia contributors, Wikimedia Foundationhttps://en.wikipedia.org/wiki/Thyroid_blocker, lead sectionQuote, https://en.wikipedia.org/wiki/Thyroid_blocker, lead section
Potassium iodide (KI) and potassium iodate (KIO3) are called thyroid blockers when used in radiation protection.
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