All-natural ingredients Contains zero calories No unpleasant aftertaste Convenient single-serving packets Should not affect blood sugar levels in most individuals Kal Pure Stevia Extract Plus Luo Han Powder is a pleasant tasting blend of both ingredients. Stevia extract is from the leaves of a small shrub of the chrysanthemum family called stevia. It grows wild in Paraguay and Brazil and is cultivated in Japan and China. The stevia extract contains steviosides. The glycosides in the leaves of the plant generally account for 10 percent stevioside, a substance that makes it unique among over 300 species of stevia plants. The extract is calorie-free and should not affect blood glucose levels in most individuals. Unlike the whole herb, the extract does not have a pronounced aftertaste. Luo Han comes from the plant Siraitia grosvenorii. It contains an active that is intensely sweet called mogroside. Luo Han is 300 times sweeter than common table sugar or sucrose. It is low calorie and low glycemic, and should not affect blood sugar levels in most individuals. All-natural ingredients; Contains zero calories; No unpleasant aftertaste; Luo Han contains mogroside, an active which is 300 times sweeter than cane sugar and low in calories; Convenient single-serving packets; Should not affect blood sugar levels in most individuals. About Manufacturer: The KAL brand was established in Southern California in 1932 as one of the first nutritional supplement lines in the United States. Although its first products were in powdered form, the KAL brand soon shifted its focus to tableted products. KAL tablets are guaranteed to disintegrate in 30 minutes or less and allow for more active ingredients per pill, providing your nutritional needs in fewer daily dosages. For over 70 years, the KAL brand has pioneered the introduction of new and innovative products, as well as new and unique delivery forms.