This is the best tasting stevia on the market. I do not find that it has any bitter aftertaste. It is highly concentrated, so a little goes a long way. It also makes Kal stevia a good value for the qualityThe bottles are also an amber glass to preserve the strength. Great for coffee or tea. When it comes to sourcing the best-tasting stevia extract with the right level of sweet flavor and minimal-to-zero aftertaste, KAL takes the challenge seriously. After searching the globe for the stevia extract that meets even the strictest standards of flavor and goodness, were proud to offer our Sure Stevia Liquid Extract. Derived from the leaves of a small shrub of the chrysanthemum family, Sure Stevia Liquid Extract contains steviosides, a substance unique among more than 300 species of stevia plants in that it is both intensely sweet and calorie free. Low-glycemic, the extract should not affect blood glucose levels in most individuals and, unlike the whole herb, the extract does not exhibit a pronounced aftertaste. That means you get all the great flavor you need without sacrificing the flavor you want. Sure Stevia can be used in everything from tea, cocoa, and lattes to your favorite cookie or cupcake recipes. And with such an intense flavor profile, you only need a few drops! In fact, our extract comes with an easy-to-use dropper bottle that contains up to 385 servings thats a lot of sweet teas and treats! The KAL brand has been making the right supplements with the right ingredients nothing more, nothing less for 85 years. Trust KAL to deliver the stevia extract youve been looking for get KAL Sure Stevia today!