Banana is the most misunderstood fruit for weight watchers. We tell you ways this wonder fruit can actually help you shed some kilos. Here they are:Since, bananas are loaded with potassium, they help in preventing water retention in your body, which in turn reducing bloating or swelling up of the body. This is one of the best foods for a flatter belly.Rich in choline and all types of Vitamin B, they prevent the body from storing fat, especially in the tummy area. They do this by accelerating the fat burning process as they effect the fat-storing genes in the body directly.