Wiiings without sugar: Red Bull Sugarfree is Red Bull Energy Drink without sugar. Red Bull Sugarfree is a functional beverage and its formula contains high-quality ingredients: Caffeine, Taurine, some B-group Vitamins, and Alpine water. Only 8 calories in a 250 ml Red Bull Energy Drink can. Vitalizes Body and Mind®. Red Bull cans are made of 100% recyclable aluminium. Red Bull is appreciated worldwide by top athletes, busy professionals, university students, and travellers on long journeys. Red Bull produces a variety of energy drinks in both sugar and sugar-free varieties