How does Vilitra 20 work? Vilitra 20 works by blocking an enzyme called PDE-5, which is responsible for reducing levels of cGMP in the body. This allows the smooth muscles in the penis to relax, allowing more blood to flow into the area and resulting in an erection. What are the benefits of Vilitra 20? Vilitra 20 can be used to treat erectile dysfunction and improve sexual performance. It is...