After investigation, the State Food and Drug Administration of the United States has not approved the drug or health food named "Baoyuan Yangdao" (the results are returned on the website of the State Food and Drug Administration), nor has it approved the enterprise named "Herbal Yangzhengtang" to produce any drugs, so consumers are advised to choose carefully. Consumers are advised to pay attention to the word "national medicine" when buying medicine, and don't believe in small advertisements. If consumers find that "Baoyuan Yangdao" claims to cure diseases or has any special functions or effects, please contact.