The hypoglycemic effect of Lagerstroemia speciosa has
been demonstrated in animal and in vitro studies. When genetically
diabetic mice (Type II) were fed a diet containing
hot-water extract from Lagerstroemia speciosa for 5 weeks,
their elevated blood glucose was significantly suppressed
(Kakuda et al., 1996). In another study, when obese diabetic
rats were fed a diet containing the same extract for 12