Tadalafil is a PDE-5 inhibitor that is sold in tablet form to treat erectile dysfunction (impotence). Tadalafil is FDA approved. Vidalista 20 mg (Tadalafil 20 mg) is a drug used to treat s*xual problems in millions of men. In this information, you should know about Vidalist 20 reviews, dosage, side effects, uses, how it works, how to take tadalafil, safety information and precautions for taking tadalafil. These Vidalist reviews will tell you more about the benefits of using the drug in the treatment of erectile dysfunction. We also have Tadalista 20 (Tadalafil 20mg) which is used for the same indication.