Reliable. According to Dr. Chun Yu's inquiry. com。 Li Na graduated from Fudan University in Shanghai with a master's degree. Secretary of the Party branch of the Department of Bioengineering, senior nutritionist. Member of Liaoning Food Science and Technology Society, member of Liaoning Edible Fungi Association, and member of biotechnology professional evaluation expert group of Liaoning Education Department. Natural therapy is judged by people in the industry and is scientific. So Li Na's natural therapy is reliable.