Eating an apple a day does not usually lead to weight loss; apples do not have weight loss properties. Apple is a common fruit, a single fruit does not have the effect of weight loss. Apples are rich in nutrients, 100g of apples contain 13.5g of carbohydrates, niacin 0.2mg, vitamin C4.0mg, but also rich in minerals, such as calcium 4mg, phosphorus 12mg, potassium 119mg, magnesium 4mg. these nutrients are the human body needs nutrients, an apple a day can be on the body to provide nutrients. If you are a heavy weight people, weight loss need to pay attention to control the intake of calories, but also to limit the intake of sugar and fat, pay attention to maintain nutrition, maintain a balanced diet. It is also important to pay attention to increase exercise, and long-term persistence.