pmc.ncbi.nlm.nih.gov

Used in Asian countries, including China, Japan, and Thailand, Houttuynia cordata Thumb (H. cordata; Saururaceae, HC) is a traditional herbal medicine that possesses favorable antiviral properties. As a potent folk therapy used to treat pulmonary ...

https://www.ncbi.nlm.nih.gov/pmc/?term=Hottunyia+Cordata+Thumb

         Yu Xing Cao (Houttuynia Cordata) Glycerite, Dried Herb Alcohol-Free Liquid Extract 2 oz        

                Brand: Herbal Terra LLC        

                                    This is the name of the herbal extract as well as the manufacturer of the extract. Live Long And Prosper My Friends!