San Antonio TX.  The Global Stevia Institute (GSI) is an educational resource dedicated to providing science-based information on stevia, a plant-based, sustainably grown, zero calorie sweetener of natural origin, and its safety to

San Antonio TX. Stevia is extracted from the leaves of the plant species Stevia rebaudiana. Today, high purity stevia leaf extracts – chemically known as steviol glycosides – are used as a sweetening ingredient in foods