The average, medium-sized banana is seven to eight inches long and has 27 grams of carbohydrates. It also has 105 calories, three grams of dietary fiber, zero grams of fat and 14 grams of sugar.
Bananas are healthy fruits that are nutrient-dense. They have 25 percent of a person’s daily vitamin B6, 16 percent manganese, 14 percent vitamin C, and 12 percent potassium. All of the vitamins and fiber in bananas make them a good fruit for cardiovascular health and digestive health. Bananas are an excellent choice for athletes to eat before, after or during exercise due to their potassium and sugar content.