I think it's best not to use this method. The principle is that the gas in cola makes people feel full, and the caffeine in coffee promotes human circulation and achieves the purpose of losing weight.

Reasons for inadvisability: 1. Coke is high in calories. Drinking a bottle of coke is much higher than eating some fruits and vegetables. 2, coffee will cause osteoporosis, especially for women, carbonic acid in cola will also decompose calcium in the body, which will cause serious loss of vegetables, which is not good for the body.