Tadalista 20, is a weekend pill that has an attractive effect on men by improving their arterial dysfunction. The drug works by improving blood flow to the penile area, allowing the couple to enjoy a healthy sex life. Tadalafil 20mg is the main active ingredient of the drug that blocks the enzyme PDE-5, which prolongs the nerve signal that causes an erection. The result of this action is increased blood flow to the penis and helps to improve the ability to have a longer erection. Take one tablet daily with plain water. Swallow the pill when sexually aroused, 30 minutes before intercourse, for best results.