Vidalista 20mg tablet is manufactured at Centurion Laboratory in India. The effect of this drug lasts for 36 hours. This is called a very long time. vidalista 20 is an effective medicine for the treatment of men suffering from erectile dysfunction. This medicine can be taken with or without food. If you want to take this medicine with meals, do not take vidalista tablet with heavy meals. Because it reduces the effect of the drug.