Dietary Supplement Zero Calories Non-Bitter NuNaturals uses a highly concentrated Stevia extract and should not be confused with less potent powdered herbs or extracts. NuNaturals uses plant-based natural flavors that help to make our Stevia products the best tasting ones available. NuStevia is a natural plant extract. The vanilla used in this product is produced from high quality vanilla beans made by Singing Dog Vanilla. This creates a superior tasting vanilla product.NuNaturals