Herbal Flos Lonlcerae (Herbal Xenicol) is developed by Bitter Orangs Trade Co.,Ltd and Chinese Sclentific Academy. It is the one and only herbal lipase enzyme currently, the product only works in your intestines by blocking the fat you eat from being absorbed which is the difference of this product with other central never working weight loss product.Currently,it is the most professional, safest herbal product for long term weight maintenance and prevents weight rebounding in the world.