The caffeine in energy drinks is higher than what teens should get in a day, Consumer Reports' tests of energy drinks show.

I also review coffee and coffee machines for a living. But caffeine is also, quite simply, a drug. It happens to be the drug ...

Caffeine is everywhere, from our morning coffee to a quick soda pick-me-up. But while most people know about these popular ...

Coffee and energy drinks are both popular sources of caffeine. They can vary in caffeine content, which can affect your ...

A compound your body makes after drinking caffeine is now appearing in drinks. But scientists are still studying how safe and effective it really is.

There’s a widespread belief that caffeinated drinks will make you dehydrated because the caffeine itself makes you pee. But ...

Sarah Katz wanted to ride a roller coaster. In a high school essay she once recalled a time in second grade, when her mom ...

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The Pre-Workout supplement market was booming in the late 2000s into the 2010s. From Jack3d to SuperPump to N.O. Xplode – these products were kings in the supplement industry. Now, every major ...

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

Kim Kardashian has released a new "healthy" energy drink called Update, which contains paraxanthine instead of caffeine. We asked experts about paraxanthine vs. caffeine in Update and how it stacks up ...

Costco is launching a Kirkland Signature sparkling energy drink with 200 mg of caffeine and a 70-cent price point.