THE ULTIMATE GUIDE TO VIAGRA

Sildenafil can be a potent and selective inhibitor of cGMP-precise phosphodiesterase form five (PDE5), that's answerable for degradation of cGMP inside the corpus cavernosum. The molecular structure of sildenafil is analogous to that of cGMP and functions as a aggressive binding agent of PDE5 while in the corpus cavernosum, resulting in extra cGMP