Sildenafil citrate tablet, sold under the name Viagra is the first of a new group of medication which allows adequate sexual stimulation, relaxes the blood vessels of the penis and helps erection. Sildenafil citrate tablet should be taken once a day. The time necessary for Sildenafil citrate to exercise its action is about half an hour.

Sildenafil citrate tablet cost around $1.67 per pill. The effect is maintained for about four hours. There are many cheap versions for buy sildenafil citrate tablet available online.The effect is only obtained with a satisfactory sexual stimulation.