Super Zhewitra is recommended for erectile dysfunction and impotency in males which is helpful when there is a failure of maintaining an erection for the entire sexual act or if there is no erection at all. It is a potent drug and should not be taken more than the prescription. It will act only in the attendance of sexual stimulation. Zhewitra contains Vardenafil as an active ingredient. It is a PDE5 inhibitor. By inhibiting PDE5, it releases more of cGMP in the Corpus Cavernosum of a penis.