Adequate iodine intake is possible without consuming seafood or supplements if one eats sufficient animal products.

“i wonder where the idea comes from that we need the seafood and or kelp supplement or of course put iodine in your salt right like i would be my parents and i want the himalaya salt and they'd be like no you should eat table salt this has got iodine it's good for you you know um probably because most of the world wasn't getting enough animal products right”