Iodized salt is table salt with iodine added. It is the main food source of iodine.

Seafood is naturally rich in iodine. Cod, sea bass, haddock, and perch are good sources.

Kelp is the most common vegetable-seafood that is a rich source of iodine.

Dairy products also contain iodine.

Other good sources are plants grown in iodine-rich soil.