Foods that have iodine include dried seaweed, cod, potato, salt and eggs. Seaweed is most notable for its relatively high iodine content, so it's important not to eat too much seaweed at once. Other foods with iodine are tuna, turkey and prunes.
Seaweed can have more than 4,000 micrograms of iodine in 1/4 of an ounce, while turkey has around 34 micrograms of iodine in 3 ounces. Consuming too much or too little iodine can be harmful to the body. Lack of iodine can lead to thyroid problems and other health issues.
Signs of iodine deficiency include an enlarged goiter, which can cause noticeable breathing or swallowing problems. Lack of iodine can also lead to slower reflexes and harm a pregnancy. To learn more about appropriate iodine consumption, as a doctor or nutritionist for more information.