These will definitely give you a buzz, but there's more to a good workout than feeling the rush. Most good pre-workouts contain other ingredients that prepare your body to work hard and add new muscle.

Is an energy drink a legitimate pre-workout? Close, but not quite. Here's what you need to lose fat, improve cognition, and enhance your performance by turning your favorite energy drink into a supercharged pre-workout!

Want a way to boost your energy and focus without all the jittery side effects of caffeine? Look for this ancient Chinese ingredient in your workout products.

Taurine may be the most highlighted ingredient in energy drinks, but what does it actually do? Can this amino-acid supplement boost your performance, or is it all hype?