The results from pills do not last because pills consist of a substance called nitric oxide.Penetrex Male Enhancement This substance is one reason pills work the first time around because it nitric oxide opens up your blood boats. When the blood vessels are opened up, more blood get's into the penis. The more blood that get's into the penis, the bigger the penis will be. The only problem is that the nitric oxide does are not permanent very extended periods of time.

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