The active component of Vidalista Black 80 mg, tadalafil, is an inhibitor of phosphodiesterase type 5 (PDE5). PDE5 is an enzyme that breaks down cyclic guanosine monophosphate (cGMP), a substance that aids in blood vessel dilatation, to control blood flow in the penis. Tadalafil causes cGMP to build up by blocking PDE5, which results in prolonged vasodilation and improved blood flow. When someone is sexually stimulated, the increased blood flow aids in achieving and sustaining a hard erection. This is especially helpful for men who have ED since it tackles the physiological problems that impede the proper blood flow required for an erection. The extended duration of action of Vidalista Black 80 mg is well-known, since it can last for up to 36 hours. Visit: Verified Medi