Iodized salt is salt that contains small amounts of sodium iodide or potassium iodide. It's normal salt that has been sprayed with potassium iodate. It looks and tastes the same! The majority of table salt used nowadays is iodized, and it comes with many benefits. Iodized salt is essential for your health, but you should have it in moderation. Iodine is a trace mineral common in dairy products, seafood, grains, and eggs. People combine iodine with table salt to reduce iodine deficiency.