Cenforce 25 is primarily the best drug to solve the problem of impotence, Sildenafil acts as the active ingredient in Cenforce 25. Sildenafil is taken 1 hour before intercourse, which lasts for 4-5 hours. Cenforce 50is the best drug for impotence. Cenforce 25mg is widely used, which is the best drug in ED. Sildenafil should be taken as per the advice of the doctor.