1. Bananas contain sugar, which can supplement carbohydrates and glucose lost in fitness. It is a good energy supplement food.

2. Bananas are rich in potassium ions. When exercising, you will sweat a lot and excrete body fluids. Potassium ions will be eliminated. After adding bananas, it will quickly replenish the blood potassium lost in the body.

3, bananas have a laxative effect, constipation is easy to form after fitness, and constipation will be corrected after eating bananas.

4. The cellulose in bananas can metabolize excess lactic acid accumulated in the body and discharge metabolic waste.