6. A source of Fiber
Bananas are rich in fiber which has been shown to aid digestive health, promote weight loss, and reduce the likelihood of developing certain forms of cancer. The type of fiber that exists in unripe bananas can provide specific benefits.
This fiber is called resistant starch which is not digested entirely, but this undigested fiber passes through the large intestine, and when fermented by bacteria, produces butyrate, which is an amino acid that aids intestinal health.
Ripe bananas have their own type of fiber called pectin which can moderate the rise in blood sugar after eating.