Drinking more caffeine while you still have some caffeine in your system can put you at risk. Red Bull, the top-selling energy drink in the United States, contains 80 mg of caffeine per 8.4 ounce can.

Energy drinks are ever-present on college campuses, marketed as the go-to solution for long study sessions, early mornings and late-night cramming in the library. Brands like Red Bull, Monster and ...

Whether present in natural sources or in Red Bull Energy Drink your body processes caffeine the same way. One of caffeine’s primary sites of action in the human body is a stimulating effect on ...

The active ingredient in the hugely successful Austrian product Red Bull is a solid jolt of caffeine, blended with a handful of other ingredients. One 8.3-ounce (0.25-liter) can has two to three ...

Whether present in natural sources or in Red Bull Energy Drink your body processes caffeine the same way. One of caffeine’s primary sites of action in the human body is a stimulating effect on ...