The calorie (calculated by 100g edible part) of the nectar of Actinidia glabra is 64 calories (267 kilojoules). In the same kind of food, the unit calorie is low. The calorie per 100g of mango nectar accounts for about 2% of the total calories recommended by China Nutrition Society for ordinary adults to keep healthy every day. It is generally believed that foods with low glycemic index are easier to fill the stomach, thus controlling calorie intake more effectively and achieving the purpose of losing weight.