Vidalista black 80 is used to relieve erectile dysfunction in men. Strong erection can be achieved by using this medicine about 30 to 40 minutes before intercourse. The drug contains tadalafil as the active ingredient. Taking tadalafil yourself is not enough to get erection. You need to be sexually aroused to make it work. This medicine should be used only once in 24 hours. Visit our website erectilepharma.com for more information.