Resistant starch and fiber in bananas support people who suffer from ever-increasing weight. The maximum potassium content in bananas aid in weight loss and energy improvement gradually. Muscle building protein in bananas encourages teenagers and adults who have planned to boost up their strength while reducing the overall unhealthy weight. Thick peel of bananas protects these fruits from harmful pesticide residues. You can confidently include bananas in the diet plan and get a notable enhancement in your efforts for reducing the weight. Bananas have the low glycemic index and the best stuff to reduce unhealthy weight. Total calories per 100g serving: 89.