<human>:  What are the nutritional values of a banana?
<bot>: A banana is an excellent source of nutrition. It contains decent amounts of fiber, vitamin C, vitamin B6, potassium, manganese, magnesium, folate, and riboflavin. It is also low in calories and easy to digest. A medium-sized banana contains approximately 105 calories and contains 3 grams of dietary fiber. It also provides 17% of the daily value for vitamin C, 14% of the daily value for vitamin B6, 15% of the daily value for potassium, 8% of the daily value for manganese, 8% of the daily value for magnesium, 5% of the daily value for folate, and 3% of the daily value for riboflavin.