100% wings, also without sugar. Red Bull Energy Drink is a functional drink that gives you wings when you need them. • Stimulates mind and body.® • Contains caffeine, taurine, vitamin B, sugar and water. • A can of Red Bull EnergyDrink 250 ml contains 80 mg of caffeine. That's about the equivalent of a cup of coffee. • Sugar-free Red Bull Energy Drink contains the sweeteners aspartame and acesulfame K and is therefore 100% sugar-free. • A 24-pack of energy drinks contains a total of 24 cans of Red Bull Energy Drink sugar-free. The aluminum can is infinitely recyclable after collection. So throw your can in the trash and help the environment.