Variety Pack: Contains Rockstar Whipped Orange and Whipped Strawberry flavors 16 Ounce Can: Provides 16 fluid ounce cans of energy drink No Calorie: Low calorie energy drink with no added sugars Caffeine Boost: Contains caffeine to provide an energy boost Boom Energy Drink: Rockstar energy drink with a whipped cream flavor For The Hustle Rockstar Energy Drink Rockstar Energy fuels the hustle and celebrates those that put in the work. Our POTENT ENERGY BLENDS include Caffeine, Taurine, B-Vitamins, Ginseng, and Guarana. Explore our more than 25 flavors; including 0 calorie, 0 sugar, and 0 carb options to fit your lifestyle.