Tadalafil is found as the active ingredient in Vidalista 20 mg. This drug is a drug that relaxes the smooth muscles in the walls of blood vessels, thus increasing blood flow to certain parts of the body. Vidalista 20 is an FDA-approved drug used to treat erectile dysfunction in men. Seek medical advice before using this drug. The drug is taken orally with water.Do not break or chew vidalista tablet. Take this medicine with alcoholic beverages.