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| Nitric oxide, will be the chemical which allows the blood vessels which lead into the penis, to relax and expand and allow the extra blood necessary into the penis, to allow it to harden and turn into erect.Prescription drugs can increase nitric oxide secretion but so to can the powerful Chinese herbs Ginseng, Cnidium and Horny Goat Weed. These herbs also inhibit PDE5 develop up which is a a key trigger of erection failure; these herbs are doing the same as prescription drugs but there doing it safely and naturally. |