The active ingredient in vidalista 40 mg tablets is tadalafil. Which promotes the elimination of erectile dysfunction from the body by increasing blood circulation to the penis. And gives the last long hard lift for sexual intercourse. Men who use this drug should do it. Which is suffering from the problem of erectile dysfunction and impotence. vidalista should take the tablet 30 minutes before sexual intercourse. Whose effect lasts up to 36 hours. Therefore, it is important to consult your doctor before taking this medicine.