Oats can lose weight. But I don't think coffee is useful. Although many people on the internet say that coffee can lose weight, it will be harmful to your health. Originally, there was a book that said that coffee can reduce weight, but if you want to lose weight by coffee, you should drink at least 10 cups a day (I forgot more than a dozen cups), but it is definitely unrealistic. I am afraid you should go to the hospital at the end of the day. I've had beer filial piety powder ... that smell is gone. I can't accept it. I still think it's true to control diet and increase exercise. It's old-fashioned. Now I exercise every day after class, and then I only eat water to cook at night. I lost 8 Jin. Now a month has passed and it hasn't grown back. Ready to start the second round ...