NuNaturals uses our premium grade NuStevia extract from which the unpleasant aftertastes have been removed. NuNaturals NuStevia products use only the highest grades of Stevia extract that we select for purity, sweetness and superior flavor. NuNaturals uses plant-based natural flavors that help to make our NuStevia products the best-tasting ones available. Maltodextrin is a carbohydrate used to make it easier to measure the concentrated Stevia extract.