250 grams of grapefruit is half a catty. There is little difference in sugar content, carbohydrate, fat and protein between red pomelo and white pomelo. Both of them can provide low calories after eating, about 100 g of pomelo has 38 calories, which is a very low-calorie food. Moreover, pomelo is rich in cellulose, which swells when it enters the gastrointestinal tract, and then produces satiety, which can reduce calorie intake. It has the effect of losing weight and is suitable for people who lose weight.