Energy drink sales are skyrocketing: from 2011 to 2012 they grew by 14 percent, a bigger jump than any other beverage category! That's not too surprising--who doesn't want to catch a second (or third) wind?
But are some drinks better than others? Here we take a look at the calories, sugar and caffeine in some of the most popular energy drinks on the market.
The Best: McDonald's Coffee
(large, 16 oz., black): 0 calories, 0 g carbohydrate, 0 g sugar, 133 mg caffeine
In general, straight-up black coffee is going to be a top choice for energy. Black tea is a close second, though it delivers less caffeine per fluid ounce. Research shows that, in small quantities, caffeine may boost energy, alertness and athletic performance. But it's recommended that you limit your caffeine to 200 milligrams at a time,