Black coffee and yogurt are usually not allowed to lose weight, because most yogurt on the market has added more sugar, which will be converted into fat in the human body. If you eat too much sugar, fat will accumulate, which will have a negative impact on weight loss. People who lose weight should adopt scientific and reasonable ways to lose weight in the process of losing weight. In daily life, people who lose weight should do some exercise properly, so as to consume excess fat in the body.