Purple light thyme mushroom polysaccharide nutritional oral liquid is suitable for the treatment and prevention of all immune diseases and immunocompromised people by Beijing Ziguang Biotechnology Co., Ltd. If your family is often sick and your immunity is poor, you can try it. The effect is there, but it is not so magical. General advertisements will exaggerate their effects.
This medicine is not produced in Tsinghua University, and the company that produces this medicine has little to do with Tsinghua University. There may be technicians from Tsinghua University involved in the research and development of this drug.