VIAGRA FOR DUMMIES

Sildenafil is really a powerful and selective inhibitor of cGMP-specific phosphodiesterase variety five (PDE5), which can be chargeable for degradation of cGMP from the corpus cavernosum. The molecular construction of sildenafil is analogous to that of cGMP and acts for a competitive binding agent of PDE5 inside the corpus cavernosum, leading to fa