Cenforce fm - Overview | Reason | Red Sign https://www.cenforce.us/cenforce-fm-100-mg/Cenforce fm is a drug used to treat the problem of impotence in men. The main ingredient in this drug is sildenafil citrate. This drug helps to increase blood flow to the muscles. This medicine is taken only once in 24 hours. This drug is used for men over 18 years of age. The effect of this medicine lasts for 3 to 4 hours. So visit our store - cenforce.us