Vidalista 60 of Tadalafil as an active ingredient. Tadalafil is a drug that relaxes the smooth muscles of the blood vessel walls, which improves blood flow to certain areas of the body. This action makes the drug effective in the treatment of men with erectile dysfunction. However, tadalafil is also used to improve symptoms of benign prostatic hyperplasia, improve exercise tolerance in people with pulmonary arterial hypertension.