1, coffee deep roasting. Deep roasted coffee beans contain less acidic substances and caffeine, which is not good for reducing fat, has higher calories, has a layer of oil on the surface, and tastes bitter, which is not conducive to human absorption and metabolism.
2, moderate baking heat is low. Moderately roasted coffee beans contain more acidic substances, which helps to promote metabolism and fat decomposition. Moderately roasted coffee beans retain caffeine, which helps to improve the body's metabolic rate and promote fat burning.