Blue raspberry flavor isn't actually made from raspberries. It's usually created using artificial compounds such as esters and aldehydes that mimic a tart, berry like taste. Many of these flavor notes come from Blue Raz Blueberry Raspberry Menthol E Juice The Vape Mall Tootsie Frooties Blue Raspberry Blue Raspberry Flavor Concentrate 30 ml (1 fl oz.) with insert Icy Blue Razz Fruity Flavored E Juices Red Star Vapor Juices The Ultimate Guide to Raz Vape Flavors