Tadalista 40 tablets work to relax the blood vessels of the penis. When a person is sexually aroused, blood leaks into the penis. So you can enjoy sexual activity with your partner for a longer period of time. This drug has been shown to be more effective in men who are unable to achieve an erection despite being sexually aroused during sexual activity. This drug helps to strengthen the sexual relationship of men. This drug is usually effective within 30-40 minutes.