If you only drink water all day, the food in your stomach will be emptied, and if you don't take in salt, your body will be slightly dehydrated. Together, these two effects can reduce your weight by 2-3 kg.

You can lose 3-5 kilos in three days

One kilogram of fat can be decomposed to provide 77 calories, and the average person's basic metabolic calories are 15-2 calories a day. If you don't eat for three days, you will lose 45-6 calories. That is to say, if you don't eat for three days, you can lose 1-2 pounds of fat, and your stomach is empty. Compared with the weight before you start to lose weight, you can naturally lose 3-5 pounds.

Harm of losing weight by drinking only water without eating:

Drinking only water without eating is an unhealthy and unrealistic way to lose weight. Most people can stick to it for one day, usually not more than three days, because if they are hungry for too long, people will feel dizzy, weak limbs, stomachache and drooling, and nothing will work, and their minds will be full of hunger signals.