Caffeine helps to improve concentration and increase alertness. One 250-ml can of Red Bull Energy Drink contains 80 mg of caffeine. The 80 mg of caffeine contained in one 250-ml can of Red Bull ...

Red Bull Energy Drink 11 gper 100 ml Source: Food Chemistry, H.-D. Belitz, W. Grosch, P. Schieberle, third edition (2004), Springer-Verlag, Stiftung Warentest (7/2012). Water is a main ingredient ...