XYLTF--- The body processes these sweeteners without using insulin in the process meaning there is no resultant spike in blood sugar. Xylitol is seven on the glycemic index and sugar is 68. The glycemic index is a numerical index that ranks carbohydrates on their rate of glycemic response or how quickly they convert to glucose in the body. The higher the number, the more quickly the carbohydrate breaks down thus causing a spike in blood sugar. For more information, please visit www.glycemicindex.com