Sucralose tastes very similar to sugar and has no unpleasant aftertaste Sucralose is not metabolized; thus, it has no effect on glucose utilization, carbohydrate metabolism, and the secretion of insulin, or glucose and fructose absorption. No calories. Sucralose does not support the growth of oral bacteria and does not promote tooth decay. Extraordinary Heat Stability– Sucralose is exceptionally heat stable, making it ideal for use in baking, canning, pasteurization, aseptic processing and other manufacturing processes that require high temperatures.