Also target 2-4 grams vit C, 200-400 mcg selenomethionine, 400-800 mg magnesium as citrate or malate, and 50-100 mg vit B complex. Salted water can be your friend, but the useful amount is individual -- maybe 1/4-1 teaspoon total per day. Salt helps clear bromine through the kidneys. Zinc 20-30 mg can be useful for bromine exiting the skin. Drinking half your body weight in clean water also has its place, to keep everything diluted and moving through your kidneys. DMSO mixed half-and-half with SSKI and rubbed on bromine zits and cysts twice a day will help them disappear.
Those supplements support Iodine metabolism and thyroid function. Iodine can only do what Iodine does. These other nutrients are part of its supporting cast.