2. The weight of a medium-sized apple is about 200-300g, the edible part is about150-200g, and the calorie intake is about 100 calories. Many people only eat one apple at night to lose weight. This method is feasible, because according to the daily average diet arrangement of an adult, the calorie intake arrangement for dinner is about 3,000.

3, but it should be noted that you should not eat more during the day, otherwise normal people will still be in danger of gaining weight if their daily calories exceed about 1800 calories.