Tadalafil, the official name for Vidalista 20 mg, is a member of the PDE-5 family of vasodilators. Tadalafil, a component in these medications, dilates blood vessels throughout the body, particularly in the vicinity of the vaginal area. Stronger blood flow is made possible by this vidalista, which enables an erection. Tadalafil is the active ingredient of Vidalista pills. In order to produce a powerful erection, the medication vidalista increases blood flow to the penis.