Red Bull Energy Drink is appreciated worldwide by top athletes, students, and in highly demanding professions as well as during long drives. WHAT’S INSIDE THE CAN Caffeine: Caffeine was already known by ancient civilisations. They consumed it from natural sources like tea, coffee, cacao beans and cola nuts and appreciated its stimulating effects on the human body. Taurine: Taurine is an amino acid, naturally occurring in the human body and present in the daily diet. It is involved in a wide range of biological processes. B-group vitamins: Vitamins are essential micronutrients that are required for maintaining normal body functions. Sugars: Red Bull Energy Drink is made with sugar sourced from sugar beets. Alpine Water: Naturally, water is a main ingredient of Red Bull.