비아그라에 대한 모든 것

Shake the bottle properly for at least ten seconds in advance of Every single use. Eliminate the cap by pushing it down and twisting it counter-clockwise. Force the plunger with the syringe, then insert the tip into your bottle although Keeping the bottle upright on the flat area. Slowly and gradually pull back the plunger until eventually the dema

Sexual stimulation that contributes to an erection results in the generation and release of nitric oxide while in the penis. Nitric oxide will cause an enzyme, guanylate cyclase, to produce cyclic guanosine monophosphate (cGMP) that's mostly to blame for raising and lowering the scale of blood vessels carrying blood to and from the penis and leadin