Now however, energy drinks tend to contain around 150mg to 350mg of caffeine per can ... and a metabolism booster that's non-stimulant, Food Drive reported. It will also be available ...

If you're tired but still want to enjoy a night out, mixing an energy drink into a cocktail might seem like a good fix. Here's why you should avoid doing this.

“I spend the majority of my time steering people away from energy drinks in all their forms,” she says. “With high doses of caffeine and either artificial sweeteners or large amounts of ...

When examining the caffeine content of the most popular energy drinks, some beverages like G-Fuel, Rockstar Xdurance, Celsius Heat, and Bang contain a whopping 300 milligrams of caffeine per serving.

"But we've known for centuries that caffeinated drinks work. They get you out of an energy slump and make you more alert. Really all they've found is a new kind of caffeine delivery system." ...