Of the four studies that included measures of glucose metabolism, three reported a positive effect of the intervention: the study by Huang and colleagues [32] for fasting plasma glucose; the study by Imai and colleagues [26] for HbA1c with T2DM patients; and that by Wolff and colleagues [31] for fasting serum insulin and glucose levels in obese pregnant women at 36 weeks gestation. Here, INS is linked to type 2 diabetes mellitus.