One 8.4 fl. oz. can of Red Bull Energy Drink contains 80 mg of caffeine. The 80 mg of caffeine contained in one 8.4 fl. oz. can of Red Bull Energy Drink is about the same amount as in a cup of ...
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 ...