1, fecal bacteria transplantation, transplanting bacteria from lean people's feces to fat people, this technology is very mature.
2, a cup of homemade kefir every day, without sugar (the more sour, the better), drink for 20 days in a row, you will find that the appetite becomes bigger and you will lose weight with great probability.
3. Low-carbon water diet and ketogenic diet can change intestinal flora by adjusting diet.