Vidalista black 80:

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Tadalafil is the active ingredient in Vidalista Black 80, and it is a PDE5 inhibitor. It works by blocking the enzyme PDE5 which normally causes blood vessels in the penis to constrict, leading to erectile dysfunction. By inhibiting this enzyme, Tadalafil helps relax the blood vessels and increases blood flow to the penis during ****ual arousal, enabling an erection.