Bananas contain a fair amount of carbs, water, fiber, and antioxidants but little protein and no fat.
Together, these two types of fiber may help moderate your blood sugar levels after meals and regulate your appetite by slowing the emptying of your stomach.
Prebiotics escape digestion and end up in your large intestine, where they become food for the beneficial bacteria in your gut (probiotics).
Bananas have relatively few calories — just over 100 calories in an average banana — but are nutritious and filling.
Additionally, bananas contain 8% of the DV for magnesium, another important mineral for heart health
Fruits and vegetables are excellent sources of dietary antioxidants, and bananas are no exception.