http://www.ncbi.nlm.nih.gov/pubmed/16125530

•  Rebaudioside A potently stimulates insulin secretion from isolated mouse islets: studies on the dose-, glucose-, and calcium-dependency.
   http://www.ncbi.nlm.nih.gov/pubmed/15375798
         

            Ant hyperglycemic Activity

• Apparent lack of pharmacological effect of steviol glycosides used as sweeteners in humans. A pilot study of repeated exposures in some normotensive and hypotensive individuals and in Type 1 and Type 2 diabetics.
  http://www.ncbi.nlm.nih.gov/pubmed/18397817
• The diterpene glycoside, rebaudioside A, does not improve glycemic control or affect blood pressure after eight weeks treatment in the Goto-Kakizaki rat.
  http://www.ncbi.nlm.nih.gov/pubmed/17491683
• Stevioside counteracts the glyburide-induced desensitization of the pancreatic beta-cell function in mice: studies in vitro.
  http://www.ncbi.nlm.nih.gov/pubmed/17142143
• Comparative effects of Stevia rebaudiana leaves and stevioside on glycaemia and hepatic gluconeogenesis.
  http://www.ncbi.nlm.nih.gov/pubmed/16732523
• Mechanism of the hypoglycemic effect of stevioside, a glycoside of Stevia rebaudiana.
  http://www.ncbi.nlm.nih.gov/pubmed/15729617
• Glucose concentration in the blood of intact and alloxan-treated mice after pretreatment with commercial preparations of Stevia rebaudiana (Bertoni).
  http://www.ncbi.nlm.nih.gov/pubmed/15230335
• Stevioside acts directly on pancreatic beta cells to secrete insulin: actions independent of cyclic adenosine monophosphate and adenosine triphosphate-sensitive K+-channel activity.
  http://www.ncbi.nlm.nih.gov/pubmed/10690946