Men who have erectile dysfunction become a serious problem in their life as they are unable to get erection for a long time with their partner. Vigora tablets are used to get rid of this problem. Men take these tablets to increase blood flow and relax and strengthen the blood vessels. Vigora tablets help men relax. The effect of Vigora tablets lasts for 3 to 4 hours. Vigora tablets are taken 1 hour after sexual intercourse. Vigora tablets are also available at online stores.