The Vidalista 20mg tablet contains an active ingredient called tadalafil. It is an effective medicine for the treatment of men suffering from erectile dysfunction. The drug is manufactured by Centurion Laboratories in India. The effect of this drug lasts for 36 hours. vidalista 20 tablets can be taken with or without food. If you take vidalista tablet with food, take this medicine with heavy food. The effect of this medicine will decrease. Take this medicine orally with water.