One of the main reasons you make the daily trek to the gym is the same as pretty much every other guy's: You want to burn and keep off the layer of fat that hides your hard-earned gains. But if you really want to make sure those few pounds of fat are gone for good, you might want to consider aiding your fat loss with supplements.

Supplements work through a number of mechanisms to help your body burn more fat. To maximize their effectiveness, manufacturers combine ingredients that work in tandem with one another to enhance both fat release and elimination. Here, we break down the most popular fat-burning ingredients by their mode of action.

Find out here which ingredients to look for in a commercial fat burner, or learn how to build your own synergistic supplement stack.