A firm erection is required for sexual satisfaction and a firm erection requires adequate blood flow to the penis and the increase in blood is possible only with the ingredient vardenafil and this ingredient is found in vilitra 40 as a compound. This drug is manufactured by a company called Centurion Lab, targeting men suffering from ED. The effect of this medicine is seen in the body for 4-6 hours.

https://www.lifesavingrx.com/vilitra-40-mg/