NOT KNOWN DETAILS ABOUT VIAGRA

Sildenafil can be a powerful and selective inhibitor of cGMP-particular phosphodiesterase sort 5 (PDE5), that is responsible for degradation of cGMP during the corpus cavernosum. The molecular structure of sildenafil is similar to that of cGMP and functions being a aggressive binding agent of PDE5 within the corpus cavernosum, resulting in extra cG