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What are the health benefits of iodine?

Kimberly Snyder
Nutrition & Dietetics

Foods rich in iodine can help your thyroid to function properly, says nutritionist Kimberly Snyder. To find out how to get more iodine in your diet, watch this video.


Dariush Mozaffarian, MD
Internal Medicine
The following are health benefits of iodine:
  • Part of thyroid hormone, which helps set body metabolism and temperature and influences nerve and muscle function, reproduction, and growth
  • Prevents goiter and a congenital thyroid disorder in offspring
Howard S. Smith
Pain Medicine
While iodine is not usually a news-making mineral, it’s still necessary for good health. There are some studies that suggest iodine may protect against fibrocystic breast changes because of an anti-inflammatory effect. The Recommended Daily Intake (RDI) is 150 micrograms. The best food sources are fresh or saltwater seafood and shellfish, foods grown in iodine-rich soil, milk, and iodized-enriched bread.

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Important: This content reflects information from various individuals and organizations and may offer alternative or opposing points of view. It should not be used for medical advice, diagnosis or treatment. As always, you should consult with your healthcare provider about your specific health needs.