It's no use, those are fake, advertisements are deceptive, and they are arrested if they believe them. I suggest you focus on adjusting a balanced diet, strengthening exercise, relaxing and ensuring sleep. The principle is that consumption is greater than intake. Eat well for breakfast, and eat little or nothing for dinner. The most important thing is to lose weight safely. Don't take medicine indiscriminately, it will be troublesome to confuse endocrine.