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

Sildenafil is actually a potent and selective inhibitor of cGMP-unique phosphodiesterase type five (PDE5), and that is chargeable for degradation of cGMP while in the corpus cavernosum. The molecular construction of sildenafil is similar to that of cGMP and acts to be a competitive binding agent of PDE5 in the corpus cavernosum, causing a lot more