Tadalafil citrate is a common ingredient in Vidalista 40 tablets. It is used to treat erectile dysfunction, which occurs during sex in most men. Men younger than 18 years and men older than 65 years should not use this medicine. Do not do heavy work like operating machinery and driving a vehicle after taking this medicine. You can take this medicine before or after food. Take this medicine 30 minutes before intercourse so that you can enjoy intercourse with your partner. Do not consume fatty foods or non-alcoholic beverages with this medicine.