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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. (...)


The active ingredient of Tribulus acts as a natural precursor to these hormones and is converted into its final forms by the body's own natural enzymes. In fact, almost 100% of men who use cocaine regularly are impotent.

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