1. TAVIN EM 300 MG/200 MG is a combination medicine intended for the treatment of HIV-1 infection in adults and children from 12 years of age. 2 This is a combination of tenofovir and emtricitabine, two powerful anti-HIV drugs that help reduce the amount of HIV in the body. 3. TAVIN EM 300 MG/200 MG does not cure HIV but helps reduce the risk of HIV-related diseases and prevents the spread of the virus. . It is an easy pill to swallow and should be taken as prescribed by the doctor. 5. Buy TAVIN EM 300 MG/200 MG now from our online store and we will deliver it to your door quickly and safely.