Bananas can be eaten as a snack or paired with many healthy dishes, such as oatmeal, cereal or whole wheat bread and peanut butter. One small banana counts as half a cup of fruit. The recommended amount of fruit you should consume daily depends on age, sex and physical activity. Most adult women need 1 1/2 cups, and most men need 2 cups.
One small banana contains 90 calories, 23 grams of carbohydrates, 1 gram of protein and less than 1 gram of fat. Additionally, they contain 362 milligrams of potassium, 27 milligrams of magnesium and 22 milligrams of phosphorus, which function as electrolytes to maintain the fluid balance in your body. You'll also get 2.6 grams of dietary fiber by eating a small banana.