Red Bull is a popular carbonated energy drink marketed to vitalize body and mind and combat mental and physical fat. It is the leading brand in the energy drink category.
It contains caffine, a stimulant that helps improve concentration and alertness. It also contains B vitamins - B6 and B12 vitamins contribute to the reduction of tiredness and fatigue. There's also Taurine in it, which is an amino acid and Inotisol.
Sugar-free and zero versions are available for those who prefer to avoid sugar. These are suitable for keto diet and have low carbohydrate content.