Small to medium bananas are only 100 calories, which make bananas a delicious low-calorie, no fat snack. Bananas are also high in potassium and contain plenty of vitamins B6 and C. Bananas continue to ripen after purchase, and last longer if stored in the refrigerator for up to 5 – 7 days. For overnight ripening, place green bananas in a paper bag and they will turn yellow by morning. Keep bananas high on your healthy food list, and benefit from the super vitamins contained in this fruit!