Now Better stevia Instant Tabs are a convenient way to use this natural sweetener. The tablets dissolve best in hot liquids, however some cellulose powder may naturally remain as sediment. Now BetterStevia is a zero-calorie, low glycemic, natural sweetener that makes a perfectly healthy substitute for table sugar and artificial sweeteners. Unlike chemical sweeteners, Now BetterStevia contains pure Stevia extract. Now Foods takes special measures to preserve Stevia's natural qualities in this unique, pure, better-tasting Stevia.