It worked. I started using it last summer, and it took three months from 120 to 100. There is no rebound, but my personal constitution is different. Therefore, it is very important for the seller to provide you with good after-sales service. When you can't lose your balance, analyze the reasons. There is also the proliferation of counterfeit goods, which not only wastes money but also harms health. Authentic products have anti-counterfeiting codes, which are scanned to verify the authenticity.