New uses for CBD are constantly emerging in products from food to cosmetics to medications. Concerned about a rising tide of false claims about the pot compound, the FDA will hold public hearings to gather more info. The agency is already issuing warning letters to companies making unproved health claims. With CBD showing up everywhere, U.S. regulators announced Tuesday they are exploring ways the marijuana extract could be used legally in foods, dietary supplements and cosmetics. The U.S.