I also used many methods to slim Jian Zihao Black Yeast. Some of them didn't work at all, and some of them rebounded after they did, making them fatter than before. I accidentally saw this and thought it was pure natural, which did little harm to my body. I tried it and the result was not bad. Because I didn't go on a diet or anything when I used it, I insisted on a regular diet for two months except for eating at first, and lost nearly 30 pounds. No other discomfort. The customer service said it was a normal reaction and it hasn't rebounded yet. Keep it around 100. You can also consider giving you their official direct selling website. If you are interested, you can learn about it ~