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 is appreciated worldwide by top athletes, busy professionals, college students and travelers on long journeys.

It does, however, use sucralose (an artificial sweetener) to sweeten its drinks so it earned a lower spot on our list. While ...

On the other hand, one of our three samples of Archer Farms Energy Drink Juice Infused had caffeine about 70 percent below the labeled amount. For the other drinks that list caffeine levels ...

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Two flavors of Monster Energy Drink are available in this promotion ... And if you add five eligible items to your Subscribe & Save list, you get 15% off everything. It's a pretty great deal.

Sales of energy drinks are rising. But do brands like Monster, Red Bull and Relentless deliver on their promises? Sliced Bread listener Syed is a consultant radiologist. He wants to know if an ...