Now why not just use stevia or aspartame to get the sweetness without the calories? 1) They have an unpleasant afteraste whereas Wozi does not 2) Wozi does more than just sweeten, it enhances flavor. Not everyone likes the taste of Greek yogurt but this makes it more palatable. How many times have you had a strawberry that tasted like nothing? This makes it taste as if it was the perfect strawberry.