Ketogenic diet therapy is a popular diet to lose weight in recent years, mainly through a diet with high fat, moderate protein and low carbohydrate, forcing people to burn fat instead of carbohydrates. 1. Have a cup of coffee for breakfast. The formula of coffee is black coffee, unsalted milk (cow) oil and coconut oil, which are mixed according to the ratio of 1: 1: 1, that is, a cup of 240CC black coffee, plus 1 tablespoon cream and one tablespoon coconut oil.