Cenforce 120 tablets are one of the best and most effective medicines used to treat impotence in men. This drug contains an ingredient called sildenafil citrate which helps in prolonged sex with strong erection by increasing the blood flow in the blood vessels in the penis of men. This drug stimulates men to have sex longer. The effect of this drug lasts for 4-6 hours. Take this medicine 30 minutes before intercourse. The main purpose of this drug is to improve blood flow in the penis of men. This drug is one of the 100% safe and effective drugs.