Seafood, such as fish, shellfish, seaweed, and algae, are among the richest sources of dietary iodine, as they absorb the element from seawater
Dairy products, such as milk, cheese, yogurt, and butter, often contain iodine as a result of the iodine supplementation of animal feed and the use of iodine-containing disinfectants in the dairy industry
Eggs are a good source of iodine, especially the yolk, which contains more of the element than the white. Eggs also provide protein, iron, and other nutrients
Iodized salt is table salt that has been fortified with iodine to prevent iodine deficiency and its associated disorders, such as goiter and cretinism. Iodized salt is widely used in many countries as a public health measure
Bread, especially whole wheat bread, can be a significant source of iodine, depending on the iodine content of the flour and water used in the baking process. Some countries also mandate the addition of iodine to bread as a preventive measure