Another great source of seafood iodine comes from oysters. Just three ounces of cooked oysters can provide up to 93 mcg of iodine, nearly two-thirds of what you need per day.

Is there iodine in shellfish?

Even though shellfish contain small amounts of iodine, shellfish allergy is unrelated to the reactions some people have to radiocontrast material or iodine.

Which shellfish has the most iodine?

Several types of seafood contain high amounts of iodine, including scallops (90 percent of daily value), cod (80 percent), shrimp (31 percent), sardines (24 percent), salmon (21 percent) and tuna (15 percent).