Red Bull is appreciated worldwide by top athletes, busy professionals, college students and travelers on long journeys. Caffeine was widely used by ancient civilizations and was traditionally consumed from natural sources like tea, coffee, cacao beans and cola nuts and appreciated for its stimulating effects on the human body. 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. Combined, these two ingredients are what makes Red Bull "give you wings"!