What is levitra?

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It is an oral drug used to treat erectile dysfunction. Sexual stimulation causes the production and release of nitric oxide from the nerves endings of the cavernous bodies of the pпeis hereby activating enzyme guanylate cyclase. Guanylate cyclase in its turn is responsible for 레비트라 인터넷 구매 production of cyclic guanosine monophosphate (cGMP). The cGMP causes widening and 레비트라 구매 relaxation of the blood vessels carrying blood to the pеnis. This product prevents phosphodiesterase-5 enzyme from destroying cGMP and 레비트라 인터넷 구매 thus helps to support blood flow to the pеnis.