Calvert Extra originated from Cork (originally Dublin) . Britvic manufactured Calvert Extra .  white beans are the main ingredients of Calvert Extra . 4.2% alcohol is present in it . It is related to calvert,vinjak . Calvert Extra was introduced in 1475 . It has a website named www.CrystalLight.com . Calvert Extra is a Canadian whisky
4% is alcohol in Calvert Extra