Stamp out your worries now by choosing Fine Foods Crystalline Fructose! A breakthrough product for healthy living. Crystalline Fructose (a.k.a. fruit sugar) is a naturally occurring sweetening substance naturally found in fruits, vegetables and honey. Crystalline Fructose has very interesting properties. It is sweeter than normal sugar, low in Glycaemic Index (GI), slow blood glucose response and slow release of insulin. This means it is suitable even for people who are diabetic. Nevertheless, moderation is the key.