When taken as an edible A. konjacbased food, it will lead to a more gradual absorption of dietary sugar and reduce the elevation of blood sugar levels. Therefore, overall diabetic control can be improved in the patients with diabetes by giving them glucomannan-enriched diets (Fang & Wu, 2004). KGM added to conventional treatment may ameliorate glycemic control and blood lipid profile in high-risk diabetic individuals, possibly improving the effectiveness of conventional treatment in type 2 diabetes. For example Huang et al. (1990) studied the effects of konjac flour on serum glucose levels in 72 type II diabetic patients (mean age 55, range 39–76).