Most of us love to snack. But most often our snacking habit becomes the main reason for gaining weight, especially in the mid section of our body. It is true that mindless snacking can add too many calories to our diet and very few nutrients and we end up having fat stored up around the belly. But most nutritionist believes that snacking when done in proper way can keep your energy level up, fulfill your nutritional needs and allow you to lose weight. The key to eating snacks is eating them in right ratio of nutrients, right calories. So, there is no need to sacrifice on snacking, just because you are trying to lose belly fat. Instead, you have to be smart while choosing the snacks. You must know that when you are exercising, protein helps to boost your metabolism and fuels the fat burning process while fiber helps to improve your digestion and keeps you away from binge eating, particularly fats and sugar. While it is true that there are no foods that burn fat, smart snacking will help your body to work efficiently and help to accelerate the fat burning process. Here are 21 snacks which will leave you satisfied and help you lose belly fat.