In the absence of allergies, consuming an apple a day is not harmful and provides the body with carbohydrates and other nutrients. Apples belong to the category of fruits, the daily consumption of an apple is not excessive consumption, so in the absence of allergies, an apple a day is not harmful to the human body, but also for the human body to supplement the nutrients contained in apples. Apples contain certain carbohydrates, dietary fiber and vitamin E, moderate consumption of certain nutritional value. 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, vitamin E 2.12 milligrams, potassium 119 milligrams. In addition, it is recommended to match with some protein-rich foods such as soybeans and beef, which is conducive to ensuring a comprehensive and balanced intake of nutrients. However, if there is an allergy to apples, it is not recommended to consume, so as not to cause discomfort.