Vidalista black 80 is used to treat male impotence. The active component of the drug is tadalafil. The PDE-5 inhibitor in this tablet promotes better blood flow. Get quick shipping and bulk savings when you purchase this prescription online from ividalista.com. Men who take this medication 30 minutes or an hour before sexual activity find that it works well. This medication has a 36-hour half-life. This medication can be used with or without food.