There are around 232 micrograms (mcg) per serving of naturally occurring iodine in seaweed.
Generally speaking, seafood is a rich supplier of iodine. However, cod contains a very high amount of this vital mineral.
Another seafood rich in iodine is halibut. According to research, Atlantic halibut has approximately 21 mg iodine.
Pollock inhabits the chilly waters of the North Pacific and is a member of the cod family.
Although crab has less iodine than other shellfish, a 100-g dish still contains 26–50 mcg of iodine.
Scallops are an excellent iodine supplier. They contain 90% of the RDI per serving, which is 135 mcg. They may also be advantageous for the heart.
Squid, often known as calamari, contains approximately 65 mcg per meal. In addition, it is an excellent source of vitamin C, and iron.
Tuna contains less iodine than other species of fish due to its higher fat content. However, at 17 mcg per 3 oz.
Additionally, dairy products are a good provider of iodine. One cup of nonfat cow's milk contains, on average, 85 mcg, which is more than half the RDI.
Certain cheeses have more iodine than others. However, cheese has an average of 37.5 mcg of iodine per 100 grams.