It works. According to Sohu Health's query. Manway white plus black is a product produced by Lerong Company for three years. 100% pure natural, no additives. It is a health care product that can be eaten by men, women and children, and has a good effect of detoxification and weight loss. It has been well received by users, so Manwei white plus black has an effect on losing weight. Losing weight belongs to a behavior pattern aimed at reducing excess fat and weight of human body.