Vidalista 40 is the best drug for impotence commonly used to treat erectile dysfunction. Tadalafil acts as the main ingredient in Vidalista 40 pills. Vidalista 40 Mg acts as a Tadalafil as an active ingredient in pills. Vidalista 40 is widely used to solve sex related problems. Vidalista 40mg requires you to use it only once a day.