Facts About Stevia ... Stevia is 200-300 times sweeter than sugar. Studies have shown a beneficial relationship between stevia and the regulation of blood sugar levels. Hypoglycemics and diabetics have used stevia with favorable results. Stevia is a calorie-free food. Japanese studies show that stevia actually suppresses dental bacteria growth. FDA regulations for stevia disallow it to be labeled as a sweetener or flavoring agent. It is allowed to be used and labeled as a dietary supplement or for use as a dietary ingredient of a dietary supplement. The active (sweetening) constituent in stevia is called Stevioside. Its botanical name is Stevia rebaudiana.  Native to Latin America and China and parts of the southwestern United- States. EQUIVALENTS - One teaspoon of this concentrate equals (approximately) one cup of sugar.