How much fiber is in a banana?

An average-size banana contains about 3 grams of fiber. This accounts for 12 percent of the recommended amount for a person to consume each day.

In addition to fiber, bananas are a good source of manganese, vitamin C, potassium, biotin and copper. They are also a notable source of vitamin B6. Eating bananas on a daily basis provides many cardiovascular health benefits, including high blood pressure prevention, reduced risk of heart disease and stroke, moderation of blood cholesterol levels and protection against atherosclerosis. Furthermore, bananas help digestive health by maintaining the balance of good bacteria in a person's digestive tract.