sentence: the ingredients in blue charge , similar to those used in red bull , are : carbonated water , sugar , glucose-fructose syrup , citric acid , taurine ( 0.4 % ) , natural flavouring , acidity regulator ( sodium citrate ) , fruit and vegetable concentrates ( apple , carrot , hibiscus ) , glucuronolactone , caffeine , inositol , vitamins ( niacin , pantothenic acid , vitamin b6 , riboflavin , vitamin b12 ) , preservative ( potassium sorbate ) .