알려지지 않음 비아그라에 대한 세부 정보

When the cGMP is destroyed via the phosphodiesterase-five enzyme, the erection ends. Viagra helps prevent phosphodiesterase-five from destroying cGMP so cGMP stays around lengthier, which leads to a far more extended erection. The maximum dose of Viagra is one hundred mg every single day. Doses earlier mentioned the utmost dose, including 200 mg p