Banana and cucumber juice can lose weight. The calorie per 100g banana is 89 calories, and the calorie per 100g cucumber is 15 calories. When they are juiced together, most of the ingredients contained in them are water, which is not only low in calories, but also can maintain a strong satiety in a short time and reduce people's appetite. In addition, bananas can relax the bowels and cucumbers can turn sugar into fat. When they are used together, they can make juice.