Even if you're diligent about your workouts, if you're lacking proper nutrition, you're not getting as much out of your fitness routine as you could be. It can be hard to always choose the right food, and then, when you try to eat the right food the right amount of time before your workout ... well, it can get confusing pretty quickly.

This article on Active.com highlights five common mistakes athletes make regarding nutrition, and you should know that they're not all common sense mistakes. As a matter of fact, I've definitely been guilty of more than one!

Basically, it all comes down to eating well and eating at the proper times. It's not all that difficult in theory, but in practice, many of us eat too much (or too little) in the way of fat and calories. Check out their list for yourself and see just how well you're fueling your workouts!