INS and Hyperglycemia: Reduction in the fasting and postprandial blood sugar levels with leaves of insulin plant in dexamethasone-induced hyperglycemia was comparable with that obtained with Glibenclamide 500 μg/kg at 250 mg/kg and 500 mg/kg of powdered leaves of the insulin plant (Costus igeus) (P< .01) (Mann-Whitney U test) [Figure 2].