Phyllanthus blocks DNA polymerase, the enzyme needed for the hepatitis B virus to reproduce. In one study, 59% of those infected with chronic viral hepatitis B lost one of the major blood markers of HBV infection (e.g., hepatitis B surface antigen) after using 900 mg of phyllanthus per day for 30 days. While clinical trails of the effectivenes of phyllanthus for HBV have been mixed, the species P urinaria and P. niruri seem to work better then P. amarus. Clinical trails with hepititis B Patients have us