According to the U.S. Food and Drug Administration (FDA), steviol glycosides are “generally recognized as safe” (GRAS). This means that qualified experts agree the available scientific evidence about this sugar substitute shows it is safe for use in foods and drinks.
Unlike sugar, it does not contribute to tooth decay and has no calories. It also does not raise blood sugar levels. This may be helpful if you have diabetes and have to be careful about how much sugar you consume.