Some energy drinks are worse for you than others. Here's how seven popular brands stack up — and how to caffeinate safely.

Energy drinks are beverages often grabbed in an act of desperation – maybe it’s a long shift dragging on, a big test coming up, the aftereffects of an all-nighter, a game or a competition.

There are 10 tablets in each container ... which is more than most energy drinks on the list. Each 12-ounce can has no added sugars and is sweetened with a blend of stevia and erythritol, and ...