Every long-distance runner knows the power of a good banana . A medium-sized banana has about 105 calories and only 0.5 grams of fat . The average American eats around 100 bananas a year, so the amount you eat isn't that much. Bananas also offer potassium , magnesium and vitamin B6 .
A medium-sized banana has about 105 calories and only 0.5 grams of fat . The average American eats around 100 bananas a year, so the amount you eat isn't that much. Bananas also offer potassium , magnesium and vitamin B6 .