HELPING THE OTHERS REALIZE THE ADVANTAGES OF VIAGRA

Sildenafil is a powerful and selective inhibitor of cGMP-unique phosphodiesterase sort 5 (PDE5), which happens to be liable for degradation of cGMP from the corpus cavernosum. The molecular structure of sildenafil is similar to that of cGMP and acts like a competitive binding agent of PDE5 while in the corpus cavernosum, leading to additional cGMP