The vilitra tablet contains an active ingredient called vardenafil which is a powerful drug for the treatment of tablet erectile dysfunction. The drug is manufactured by Centurion Laboratories in India. This medicine is taken orally with water. This medicine can be taken without food and if you take this medicine with food then do not take this medicine with whole and fatty food. The effect of this drug lasts for 4 to 6 hours. The drug is taken 25 to 60 minutes before sexual intercourse.