Tadalista 20 is intended to treat serious sexual problems in men, such as erectile dysfunction. The drug contains tadalafil as the active ingredient. As well as the main function of this drug is to improve blood flow in the penis of men with strong erections to help prolong sexual activity. With the help of this drug, millions of people can enjoy sexual activity with their partners for a long time. This component works in erectile dysfunction in men by freeing the muscles in the veins and extending the blood flow to the PNIS.