The primary active ingredient in
Tadacip 20 is tadalafil.A phosphodiesterase type 5 inhibitor called tadalafil relieves erectile dysfunction by relaxing smooth muscles and widening blood vessels, which increases blood flow to the vaginal area and causes more sensitive emotions.The first medication licensed by the FDA to treat erectile dysfunction is tadalafil .The oral drug Tadacip 20 is a member of the PDE5 enzyme, which raises cGMP levels. Only during sexual arousal can these elevated cGMP levels relax blood vessel smooth muscle cells and improve blood flow.