Tadalafil acts as the active ingredient in Vidalista 40 mg. Vidalista 40mg is taken to you one hour before sexual intercourse. The effect lasts for 36 hours after taking it. Vidalista 40 Mg will keep you away from small children and pets. These tablets are widely used to solve the problem of ED. Take the drug according to the advice of the right doctor to solve the sexual problem.