I took it myself for three months, and I feel really good. The spots of acne marks have basically disappeared, and now there are very few acne marks, only one or two occasionally. My face is much better than before. I lost 8 Jin, but I don't know if I ate collagen, but I heard that it does have the effect of losing weight and breast enhancement. Founder feels good after taking it. Thank you for your introduction. You can also refer to it The website is/