The main vitamins that apples are supplemented with are thiamin, riboflavin, niacin, and vitamin C. According to the nutritional composition of apples provided by the Institute of Nutrition and Health of the Chinese Center for Disease Control and Prevention can be seen. Per 100 grams of apples contain thiamin 0.06 mg, 0.02 mg, niacin 0.2 mg, vitamin C 4 mg, and vitamin E 2.12 mg. In addition, every 100 grams of apples contain 54 calories, of which 13.5 grams of carbohydrates, 0.2 grams of protein, 0.2 grams of fat, 1.3 grams of dietary fiber, potassium 119 milligrams, which can be very good for the human body to replenish nutrients. Consumption of apples should also pay attention to the right amount, it is not recommended to overdose on apples.