Eat dragon fruit in moderation at night generally will not gain weight. Each 100g dragon fruit has about 60 kcal, you can eat about 300g a day, about one is appropriate. Dragon fruit contains iron, phosphorus, calcium, magnesium, potassium and other trace elements, as well as rich in vitamin C, vitamin B2, vitamin B3, soluble fiber, carotene and so on. Not only can improve the skin’s antioxidant capacity, but the soluble fiber can also increase satiety and reduce the intake of other foods while improving gastrointestinal motility. Because of the high fructose content in dragon fruit, calories, fat, although low, but if too much at once, coupled with the amount of exercise and body consumption at night when relatively less, there will also be a risk of gaining weight. So if you do not want to gain weight, you can eat dragon fruit before dinner, 1 hour after the meal appropriate exercise, consumption of excess calories, to avoid indigestion, generally will not have an impact on weight. When eating dragon fruit at night should also pay attention to avoid juicing the dragon fruit, which is easy to destroy the water-soluble vitamins and antioxidant nutrients. And the same grams of dragon fruit squeezed into juice will also reduce satiety, too much water will increase the number of nighttime trips to the bathroom, affecting the quality of sleep.