The active ingredient in Tadarise 20 medicine is tadalafil, which works to relax muscles by increasing blood flow to the arteries of the penis. This drug is used to treat impotence in men. This drug improves your sex life. This drug should be used only for men over 18 years of age. The effect of this drug is seen in about 30 minutes. You can get a strong erection by taking this medicine 1 hour before sexual intercourse. Visit our official site for more information.