Bananas vary greatly in size, ranging from 80 grams to 160 grams. So we don't talk about nutrition by numbers, but by grams. Everyone says banana fiber is of high value. In fact, most fruits are rich in fiber, and bananas are only medium in the fruit family, containing about 3 grams of dietary fiber per 100 grams. Although it also contains a kind of lost protein, in order to supplement protein, it is recommended to eat milk and meat instead of fruit. Banana sugar can be quickly converted into glucose, which is immediately absorbed by the human body and is a rapid energy source. Studies have proved that only two bananas can provide enough energy for 90 minutes of hard exercise. No wonder bananas can become the first choice fruit for top athletes in the world. I didn't know bananas can also supplement energy. In the future, you can eat a banana bought from "Honest Fruit" before exercising.