Tadalis tablets are a medication used to treat erectile dysfunction (ED) in men. They contain tadalafil as the active ingredient. Tadalis tablets contain tadalafil, which is a phosphodiesterase type 5 (PDE5) inhibitor. Like other medications such as Cialis, tadalafil helps increase blood flow to the penis during sexual stimulation, facilitating an erection. Tadalis tablets are used to treat erectile dysfunction (ED), a condition where a man has difficulty getting or maintaining an erection sufficient for sexual activity.