Creatine supplements can be an effective way to tap into more power during explosive exercise, while also building strength and size. Aside from protein powder, the best creatine supplements are one of the only supplements that science backs to help you improve your fitness.
When you consume creatine (by way of supplements or real food), it turns into creatine phosphate in your muscles. This process helps make a key energy source called adenosine triphosphate, which is what your body uses for quick bursts of energy during intense workouts. In short, consuming creatine helps your muscles produce energy faster, and that extra energy lets you do more intense exercises