When a man is sexually aroused, nitric oxide is supplied to penis. This nitric oxide produces cGMP which plays a vital role in contracting and dilating the blood vessels. However, a substance called PDE5 eliminates cGMP resulting in blood vessels retaining their normal size. Thus PDE5ends erection sooner than it its natural duration and prevents men from enjoying sexual pleasure.
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For more information visit website through #strongererections .
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