Fig. 3. Effect of overall Korean red ginseng (KRG) rootlets treatment (mean of 2 g, 4 g, 6 g doses) on postprandial glycemia. The line plots and bars in the represent the incremental change and area under the curve (AUC) for placebo (•) or the mean of the 3 KRG-rootlets doses () administered 40-min before a 50 g-OGTT in 12 healthy nondiabetic subjects (sex: 9M:3F, age: 29 ± 3 y, BMI: 22.5 ± 1 kg/m²). P-values reported in the base of the plot area are for the main effects of treatment and time and their interactions from repeated measures two-way ANOVA. Data are mean ± SEM.