Find out how much caffeine is in popular energy drinks like Red Bull, Monster, and Celsius, and what side effects to watch for.

Consumer Reports tested the levels of caffeine and contaminants in brews from Dunkin', Folgers, Starbucks, and more.

It's because the continuous drinking of caffeine, continuous drinking of these drinks started making her heart have problems, ...

The coffee chain released its line of Energy Refreshers on Tuesday, which are drinks made with a natural blend of vitamin B ...

Researchers found that people who drank two to three cups of caffeinated coffee per day saw a lower risk for developing ...

For most people, consuming some caffeine is harmless — but too much can be dangerous. Recent news coverage has raised questions about the amount of caffeine in some popular drinks and what consumers ...

Coffee has a fantastic history as an aphrodisiac but it's modern science that shows us exactly how coffee can benefit sexual ...

Before college, I hardly consumed caffeine in any form. I'd have a cup of coffee here and there because I liked the way it tasted. But, as a freshman in college obsessed with getting good grades, I ...

Many of us start our days the same way: with a cup of coffee or tea. Caffeine is as much a part of our routine as brushing our teeth or getting dressed for the day. Maybe your habit extends to a cup ...

That morning cup of coffee feels routine, right? But the caffeine kick might not be. Consumer Reports tested popular coffees ...

Convenience stores are uniquely set up to meet consumers’ increasing appetite for the stimulant, from deeper beverage ...

It delivers a unique combination of caffeine, antioxidants, vitamins, and minerals for clean energy.