LITTLE KNOWN FACTS ABOUT VIAGRA.

Sildenafil is really a potent and selective inhibitor of cGMP-distinct phosphodiesterase sort five (PDE5), that is answerable for degradation of cGMP from the corpus cavernosum. The molecular composition of sildenafil is analogous to that of cGMP and acts as a competitive binding agent of PDE5 from the corpus cavernosum, resulting in a lot more cGM