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 ...

We measured the amount in 27 top-selling energy drinks and shots (see table below ... Bottom line. Caffeine can make you feel more alert, boost your mental and physical performance, and even ...

She said some people find that energy drinks help them concentrate and focus, but there are possible drawbacks. Drinking anything with caffeine in it can be dehydrating, plus, Purdy said ...

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 ...