NuNaturals uses a highly concentrated Stevia extract and should not be confused with less potent powdered herbs or extracts. Be assured that this is a true Stevia extract, consistent in quality that you expect from NuNaturals. NuNaturals uses plant-based natural flavors that help to make our Stevia products the best-tasting ones available. NuStevia is a natural plant extract. This is the quality you expect from NuNaturals.