THE BEST SIDE OF VIAGRA

Sildenafil is actually a strong and selective inhibitor of cGMP-specific phosphodiesterase variety five (PDE5), which can be to blame for degradation of cGMP in the corpus cavernosum. The molecular structure of sildenafil is similar to that of cGMP and functions as being a aggressive binding agent of PDE5 during the corpus cavernosum, causing more