zhewitra online presence of the cGMP-specific phosphodiesterase type 5 (PDE5) enzyme, which stops the flow of blood essential for erections by inhibiting a man’s production of nitric oxide when sexually stimulated. Vardenafil is one of the active ingredients in it, and as a PDE5 inhibitor, it increases the generation of nitric oxide in men’s bodies when they are sexually stimulated. As a result, the blood vessels that line the corpus cavernous of the penis relax, allowing more blood to flow through and giving a man an erection or a stronger erection than usual. Dapoxetine, the other active ingredient in Zhewitra, is a selective serotonin reuptake inhibitor that blocks the serotonin transporter in men’s bodies when they are sexually stimulated, preventing premature ejaculation.
