One hundred grams of dragon fruit is 55 calories, according to the actual life of different weight of dragon fruit can be calculated accordingly. For example, a 500 grams of dragon fruit (edible part) calories for 275 calories. Dragon fruit is a common fruit in life, with sweet flavor and high nutritional value. According to the Chinese food composition table, every 100 grams of dragon fruit has 55 calories, contains 13.3 grams of carbohydrates, 2.0 grams of dietary fiber, and contains a variety of vitamins and minerals such as vitamin C, vitamin B₁, niacin, potassium, magnesium, phosphorus and so on. Usually commercially available dragon fruits come in different weights, larger dragon fruits may be one to two pounds, while smaller dragon fruits may only be five, six or seven or eight taels. Depending on the weight of the dragon fruit, its calorie content varies, for example, a 500 gram dragon fruit has 275 calories. It is usually recommended that the daily fruit intake for adults is 200~350 grams, intake of too much fruit can easily lead to excessive sugar intake, long-term so easy to cause calorie accumulation and fat. For diabetic people, need to be based on blood sugar stabilization, moderate consumption of dragon fruit.