Dangers of Lanzhen milk powder Lanzhen milk powder is a well-known milk powder brand, but there are some risks and hazards in its use. First of all, the main ingredient of Lanzhen milk powder is milk powder, which is rich in protein, calcium, iron and other nutrients needed by the human body. However, with the development of the times, some unscrupulous businesses will use inferior raw materials to replace normal milk powder ingredients in order to pursue profits.