Erectile dysfunction is one of the most serious problems in most men around the world. This problem is usually caused by insufficient blood flow to the penis in men. In this problem men are not able to maintain a strong erection for a long time even if they enter contact with their partner's vagina during their sex. This causes difficulty in intercourse with their partner. Due to this it also has side effects on their married life. It is very important to treat it. If you felt like that Ed problem buy vilitra 20 now and uses it. With just one intake which strong erection is easy to achieve and can be maintained for a long time.