THE BEST SIDE OF VIAGRA

Sildenafil is usually a powerful and selective inhibitor of cGMP-distinct phosphodiesterase kind five (PDE5), which happens to be responsible for degradation of cGMP in the corpus cavernosum. The molecular construction of sildenafil is similar to that of cGMP and acts for a competitive binding agent of PDE5 while in the corpus cavernosum, leading t