Tadalista 20 pill is a popular and promising drug to combat male sexual impotence. This drug is more effective than any other drug. One of the best prescription drugs available for the treatment of erectile dysfunction. The drug contains tadalafil as the active ingredient. The main function of this drug is to increase the blood flow in the blood vessels in the penis of men and to help them to have sex for a long time with a strong erection when they are sexually aroused. This drug is used by almost most men in the world. This drug usually gives better results if taken sexually stimulated 30 minutes before sexual activity.