Depends on how it's marketed. As long as they avoid making specific health claims (say "boost immune function" instead of "cures disease X") they can get away w

Depends on how it's marketed. As long as they avoid making specific health claims (say "boost immune function" instead of "cures disease X") they can get away with it. If it's "homeopathic" they can even be sold on the same shelves as actual medicine, with similar looking labels.