Maybe this is old news, but here is a link to the FDA site (also a link to the PDF) about their intention to regulate complimentary and alternative medicine products.
Example on page 2 - They state that if raw vegetable juice is to be sold as a health product that it will have to labeled as a drug. If veggie juice is considered a dangerous drug, how would they view iodine? Do we need to load up now on iodine?