Under normal circumstances, the first bubble is strong tea, which has a very good weight loss effect, and the second bubble has a very good weight loss effect, but there is basically no weight loss effect in the future. If you want to lose weight, it is recommended to soak it twice and then throw it away. It is best to drink on an empty stomach before or half an hour after meals. If you drink it as a health tea at ordinary times, drink it as soon as you can.