Product Name Stevia leaf extract Latin Name Stevia Rebaudiana Active Ingredient Stevioside,RebaudiosideA Content 98% Test Method JECFA Extract Method Solvent Extraction Part Used Leaf Appearance White crystal powder CAS No. 57817-89-7 Formula C38H60O18 High Sweetness The sweet taste of the leaf comes mainly from steviosides, the plant extract can taste 200 times sweeter than the same amount of granulated table sugar. Zero Calories It has no carbohydrates, calories, or artificial ingredients. Major U.S. soda companies now sell diet cola soft drinks sweetened with stevia. Some flavored waters also have stevia. Lower Blood Pressure Studies have shown that taking stevioside (one of the sweet compounds in stevia) as a supplement can reduce blood pressure.