Rockstar Energy Drink is a popular high energy drink sold by the Coca-Cola Company. Rockstar comes in several different formulas, with sugar-free and juice versions, and claims it gives the consumer energy from its mix of vitamins, caffeine and herbs. The drink includes a number of variations the original formula, a diet version (sweetened with Ace-K and sucralose), Rockstar Juiced, Rockstar Juiced (Guava flavor) and Rockstar Energy Cola.