First, coffee can promote the decomposition of fat (lipolysis), but burning fat (β oxidation) requires exercise. These are two steps of fat metabolism (in short). From the perspective of passive fat reduction, caffeine can reduce appetite and postprandial blood sugar.

Second, drinking coffee to lose weight depends on what kind of coffee you drink. Pure black coffee has low energy and promotes metabolism, but it is a good product to gain weight by adding creamer and sugar.

Third, even if drinking coffee helps to burn fat, you should eat other foods, otherwise you will be easily malnourished. Pay attention to a balanced diet, including carbohydrates, protein and fat.