Zero Xtreme, In Shape, Easy 2 Slim, and Adipotrim XT promised to help people burn fat or lose weight. Rhino 7, Fifty Shades 6000, and Grande X offered men “TIME, SIZE, STAMINA.” All were sold as supplements with natural ingredients. In fact, Food and Drug Administration tests showed that they also contained prescription drugs, including some that the FDA has taken off the market. They may be the tip of an iceberg.