“Because of its benefits and safety, we propose that curcumin extract may be used for an intervention therapy for the prediabetes population,” says researcher Somlak Chuengsamarn of Srinakharinwirot University in Nakomnayok, Thailand.
However, other diabetes experts caution that moderate exercise, weight control and a whole foods diet are still necessary to reduce the risk of diabetes.
http://easyhealthoptions.com/herbs-and-supplements/turmeric-may-help-you-fight-diabetes/