The study was a double blind, placebo controlled, randomized trial. The study was carried out at Nutrition and Lifestyle Management Clinic, St. John's Medical College Hospital. After recruitment , the diabetic subjects were assigned either to the experimental or placebo group. They were provided with the extract for a period of 90 days. Prior to the intervention, the subjects underwent baseline investigations which included anthropometric, biochemical, dietary and physical activity assessment. These investigations were repeated at day 45 and day 90 of the study. The compliance of the subjects to the ingestion of capsules was documented every week when they reported to the Nutrition Clinic. All the study subjects were provided with standard dietary and physical activity advice for the control of their blood sugars. The compliance of the subjects to the prescribed diet and physical activity was assessed weekly by asking the subjects to rate their compliance on a scale of 0-100%.