About sikik
Sildenafil is a powerful and selective inhibitor of cGMP-precise phosphodiesterase sort 5 (PDE5), that's responsible for degradation of cGMP inside the corpus cavernosum. The molecular framework of sildenafil is similar to that of cGMP and functions to be a competitive binding agent of PDE5 in the corpus cavernosum, leading to additional cGMP and e