So it turns out that various "natural" weight-loss supplements may actually contain real drugs, but you'll have to hurry to get your hands on them before the FDA sniffs out all the products that don't disclose their exciting illicit ingredients. Following a class action lawsuit against StarCaps by NFL players who tested positive for the drug bumetanide, the pills—which are sold by surgerized socialite Nikki Haskell with the tagline "Dare to be thin!" and endorsed by her friends like Ivana Trump—have been pulled from the shelves of stores like GNC, and the FDA is continuing to test other diet supplements.