비아그라를 위한 5초 요령

If the cGMP is wrecked because of the phosphodiesterase-five enzyme, the erection finishes. Viagra helps prevent phosphodiesterase-5 from destroying cGMP so cGMP stays all around extended, which ends up in a far more prolonged erection. Get emergency professional medical support For those who have signs of an allergic response to Viagra: hives; tr