NuNaturals NuStevia produces use only the highest grade of Stevia extract available, selected for purity, sweetness and superior flavor. This extract does not have an unpleasant aftertaste. Plant based natural flavors are added to make our  NuStevia products the best tasting ones available. NuStevia is a natural sweetener. Maltodexterin is a carbohydrate. It is used to make it easier to measure the NuStevia extract and act as a filler so the concentrated extract can be put into packets. NuNaturals NuStevia should not affect blood sugar levels in most individuals. NuStevia is great for people wanting to control the calories in their diet.