In May, the FDA issued guidance that clarified that dietary supplements consisting of pure or highly concentrated caffeine in powder or liquid forms are generally unlawful when sold directly to consumers in bulk packaging.
In 2010, injuries and accidents attributed to the use of Four Loko caused a number of colleges to ban the drink. In addition, the Food and Drug Administration warned other drink manufacturers, including the makers of Four Loko, that their products were unsafe. Thus, alcoholic energy drinks were essentially banned.