Every gram of fat produces about 9 calories, so it takes about 8000 calories to lose one kilogram. According to the book Calories and protein Intake published by the World Health Organization, a healthy adult woman needs to consume 1800 ~ 1900 calories every day, while men need 1980 ~ 2340 calories.

Among them, the intake of protein should be10% ~15% of the daily calories needed by human body; The intake of carbohydrates should not be less than 55% of the daily calories needed by the human body; The intake of fat should not exceed 30% of daily calories. In addition, the daily intake of salt should not exceed 6 grams, and the daily intake of dietary fiber should not be less than 16 grams.

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Many people think that as long as the calorie intake is reduced, the effect of slimming can be achieved. This diet has a good effect at first, but in the long run, it will make the energy needed to burn calories insufficient, and the body will start to hoard fat, and the less it is, the fatter it will be. Sometimes, you really don't have to worry about calories. You can get a healthy and good figure as long as you eat in moderation and exercise.

Among the nutrients contained in food, only protein, lipids and carbohydrates can generate heat. 1 g protein and carbohydrate can produce 4 calories, and 1 g lipid can produce 9 calories.

People's Network-Weight loss requires a correct understanding of calories