Sweetened with xylitol. Nature's Hollow Sugar Free Blueberry preserves are a great tasting, healthful blend of blueberries and the natural sweetener xylitol. Xylitol is a 5-carbon sugar alcohol that is ideal for diabetics and those concerned about sugar intake. Unlike sugar, xylitol has a very low glycemic index, has fewer calories, and is beneficial for your teeth. GMO-free. Gluten free. www.NaturesHollow.com.