Vidalista 80 mg contains Tadalafil, a phosphodiesterase type 5 (PDE5) inhibitor. By blocking the PDE5 enzyme, Tadalafil increases the levels of cyclic guanosine monophosphate (cGMP) in the smooth muscle cells of the blood vessels in the penis. This relaxation of smooth muscle leads to increased blood flow and helps achieve and maintain an erection in response to sexual stimulation.
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