Tadalafil is found as the active ingredient in tadalista 40 mg tablets. Used to treat erectile dysfunction. The effect of this drug lasts for 36 hours. This is called too long. So take this medicine with another dose after 2 days. It is important to consult a doctor before using this medicine. So you can't see the side effects of this medicine. Take this medicine only once a day. If you would like to purchase a tadalista 40 tablet at a best price visit our site mybestchemist.com.