THE 5-SECOND TRICK FOR VIAGRA

Sildenafil is a strong and selective inhibitor of cGMP-specific phosphodiesterase kind five (PDE5), which is to blame for degradation of cGMP during the corpus cavernosum. The molecular structure of sildenafil is similar to that of cGMP and functions as a aggressive binding agent of PDE5 during the corpus cavernosum, causing additional cGMP and amp