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Stimulation of the penile shaft by the nervous system leads to the secretion of nitric oxide (NO), which causes the relaxation of smooth muscles of corpora cavernosa (the main erectile tissue of penis), and subsequently penile erection. (...)

General DENTISTRY

Be sure to select a Tribulus extract that contains at least 45% protodioscin.. In both conditions, an intact neural system is required for a successful and complete erection.

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