Hi, Talk to your doctor about whether you might need to limit or avoid foods that contain significant amounts of iodine including: Sea salt and iodized salt, Seafood, Eggs, Dairy products, Plants grown in soil rich with iodine... Goitrogens are substances that suppress the function of the thyroid gland by interfering with iodine uptake, which can, as a result, cause an enlargement of the thyroid, i.e., a goiter...list of goitrogens: -Broccoli -Brussels sprouts -Cabbage -Cauliflower -Collard greens -Flax seed -Kale -Mustard greens -Pears -Peaches -Pine nuts -Peanuts -Radishes -Rutabega -Soy -Spinach -Strawberries -Sweet potatoes -Turnips