From the point of view of nutrition, this is not scientific, because human metabolism needs to consume a lot of energy, which comes from the rice, noodles, vegetables and meat that we eat, and when we are hungry, it will cause organ damage. In the long run, this kind of fasting with extremely low calories and only low carbohydrates will cause muscle loss and harm to the body.

All kinds of fasting behaviors, such as crossing the grain, are harmful to the health and are not worth promoting.

Extended data:

Adults' daily diet should include four categories: milk, meat, vegetables, fruits and grains. Milk contains calcium and protein, which can strengthen bones and teeth. It is advisable to drink 200ml every day. Meat, poultry, aquatic products, eggs, beans and bean products are rich in protein, which can promote human metabolism and enhance resistance. It is advisable to take 4-6 ounces a day.

Vegetables and fruits are rich in minerals, vitamins and cellulose; Enhance body resistance and gastrointestinal patency, and eat at least 1 kg every day. Cereal foods such as rice and flour mainly contain starch, that is, saccharides mainly provide heat energy for the human body to meet the needs of daily activities, and it is advisable to eat about 5-8 A Liang every day.

People's Network-Can Bigu really lose weight healthily? Expert: unscientific.