Sweetela contains sucralose. Sugar substitutes are loosely considered any sweetener that you use instead of regular table sugar (sucrose). Artificial sweeteners are just one type of sugar substitute. Artificial sweeteners are synthetic sugar substitutes, but may be derived from naturally occurring substances, including herbs or sugar itself. Sweetela is a sugar substitute for phenylketonurics. It is heat stable cold stable suitable for baking, cooking and making desserts No bitter after taste. It is safe for diabetics. Sweetela offers the following benefits: No bitter aftertaste No effect on blood glucose levels No effect on Insulin secretion appetite Heat stable Proven safe in over 110 studies Safe for all segments of population Safe for long term use