In Cenforce 100, an inhibitor of PDE enzymes is the main active ingredient - sildenafil citrate. Men with erectile dysfunction (ED) or impotence are advised to take Sildenafil Citrate Cenforce 100mg. Centurion Laboratories manufactures a medication approved by the FDA that treats ED. Thanks to its low cost, Cenforce 100 is a popular ED treatment. A weaker orgasm would lead to the patient losing sexual desire. Sildenafil Citrate Cenforce 100 is prescribed in such cases by the doctor.