These Are the Best Exercises to Burn Belly Fat As Fast As Possible By by Meghan Rabbit, Leah Groth of Men's Health | When many people think of losing weight, one of the first things that comes to mind is getting a totally toned and taut tummy. After all, who doesn't want to be able to slip into a pair of jeans without having to deal with a muffin top? Plus, losing belly fat is a surefire way to improve your health: Research links a larger waist size to heart disease, diabetes, and even some cancers. That said, we hate to break it to you, but doing hundreds of crunches every day isn't the best way to lose belly fat. In fact, exercises that promote spot reduction just don't exist.