HOW VIAGRA CAN SAVE YOU TIME, STRESS, AND MONEY.

This metabolite contains a PDE selectivity profile comparable to sildenafil and an in vitro potency for PDE5 close to fifty% of your father or mother drug. Plasma concentrations of this metabolite are around 40% of those found for sildenafil, so the metabolite accounts for about twenty% of sildenafil's pharmacologic outcomes.Sildenafil functions by