How should I take Tenofovir Alafenamide 25mg? It I useful to treat HBV that stands for hepatitis B virus. Tenofovir Alafenamide 25mg Tablets stops the virus cells to merge into human cells and rejecting all the future risk of having it back. Take this tablet on the prescription of the doctor with the glass of water. https://www.magicinepharma.com/tablet/hepbest-tenofovir-alafenamide