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Sildenafil
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Buy Generic Viagra® online in Canada
Daily tablets
Up to 6 months prescription
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Generic Viagra® (Sildenafil): The science behind erectile dysfunction
Generic Viagra® (Sildenafil) works by inhibiting the PDE5 enzyme, raising cGMP levels in the corpus cavernosum. This promotes relaxation of smooth muscles, enhancing blood flow to the penis and enabling an erection during sexual stimulation.
During sexual stimulation, nitric oxide is released into the corpus cavernosum, triggering cGMP production. Elevated cGMP relaxes smooth muscle tissues in blood vessels, improving blood flow necessary for an erection.
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