Millions of men worldwide suffer from sexual problems. Mainly men above 18 years suffer from this problem. The best way to do this is vilitra 40. A very strong erection can be obtained very easily with just one dose of this medicine. This medicine helps men to make their sex life more attractive. With the help of this drug, many men have been able to overcome their sexual problems very quickly and effectively. The main function of this drug is to increase the blood flow in men's penis by slowly dilating the blood vessels. So that you can have sex for a long time with a strong erection.