Iodine-Rich Foods: A Comprehensive Guide to Dietary Sources

Top dietary sources of iodine include:

  • Seaweed: Nori, kelp, wakame – one serving of nori can exceed 100% of the RDI.
  • Dairy Products: Milk, yogurt, cheese – milk provides ~50% RDI per cup.
  • Eggs: One large egg supplies ~15% RDI.
  • Fish: Cod, tuna, salmon – 3 oz of cod can exceed 100% RDI.
  • Shellfish: Shrimp, clams, oysters – one serving of shrimp can exceed 100% RDI.
  • Iodized Salt: Fortified table salt; check label to ensure it's iodized.

Including a variety of these foods helps maintain adequate iodine intake for thyroid health.

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