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How potassium iodide may help protect against radiation

Analysis by Dr. Joseph Mercola Fact Checked

thyroid health

Story at-a-glance -

  • Potassium iodide can be used to block the damaging effects of radioactive iodine. It was one of the solutions used to counteract the effects of radiation from the Chernobyl nuclear power plant disaster in 1986, and in the 2011 Fukushima disaster in Japan
  • The thyroid absorbs the stable iodine in the supplement. The excessive amount of stable iodine in the supplement maxes the thyroid gland’s capacity to hold more iodine and, as a result, it will not be able to absorb any form of iodine, whether radioactive or stable, for the next 24 hours

Have you ever been curious as to why table salt is sometimes labeled “iodized?” This is because of potassium iodide, a white crystalline, granular or powdered solid with a strong, bitter and salty taste often added to table salt.

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