Zenegra 50 mg improves penile erection within the direction of sexual sex, in which sildenafil acts by way of enhancing the blood deliver to the penis. It really works with the aid of blocking the results of certain enzymes (PDE5) which limits blood go with the flow to the penis. As a quit result, it relaxes the blood vessels presenting the penis, improves penile function and makes it live erected inside the direction of the way of sexual intercourse.