Optimum Nutrition's Stevia Powder is made with pure White Stevia Extract that has been standardized to 90% Steviosides. Steviosides are generally considered to be the active compounds in Stevia leaves. Careful plant selection, extraction and standardization help to insure that your last scoop will taste as good as the first! Now that's one sweet deal. Beyond The Basics * Unflavored, Unsweetened Stevia Powder * No Calories, Artificial Flavors, Colors, or Sweeteners