High fructooligosaccharide content may work as a prebiotic, nourishing the intestinal flora to produce beneficial vitamins and enzymes. Carotenoid content has antioxidant effects, and protects against vitamin A deficiency, resulting in e.g. night blindness. Moderate consumption decreases risk of kidney cancer, possibly due to antioxidant phenolic compounds.

Research also shows that serotonin and norepinephrine in bananas may naturally help sufferers overcome depression. They are the good mood food. Convenience and nutritional value of bananas make them a good post-exercise snack. During long exercises your body loses vitamins and minerals and a banana replaces these nutrients as well as giving you the energy you need. Bananas are good for babies, too. They are in fact often the first solid food given to infants. Bananas are easy to digest because they have no fat and very few babies are allergic to bananas.