Sildenafil acts as the active ingredient in Cenforce 100 tablets. Cenforce 100 Mg pills should be taken one hour before sex. After taking its effect remains for 5-6 hours. Cenforce 100mg is a popular pill for solving sexual problems. These tablets help you to enjoy your sex life well. Before taking Cenforce 100 it is advisable to consult a doctor. Cenforce 100 is to be used once a day.