What is Red Bull? Red Bull is an energy drink specially developed for moments of increased physical and mental stress. A proprietary mix of essential vitamins and nutrients, Red Bull improves endurance, alertness, concentration and reaction speed. In short: It vitalizes body and mind. The effectiveness of Red Bull Energy Drink has been proven by a large number of scientific studies. All over the world today, Red Bull is enjoyed by many of the world’s top athletes, opinion-leaders and hard-working people with active lifestyles.