Because bananas are rich in dietary fiber, vitamin A, potassium and so on. They have the functions of regulating intestine, strengthening tendons, diuresis and softening stools.

Bananas are rich in sugar, which can be digested immediately after eating and quickly replenish physical strength. Moreover, bananas are so full that one can fill your stomach.

However, banana starch content exceeds 20%, so it is good to eat it in moderation.

If you are losing weight, you can eat a banana before exercise. I think the effect will be better.