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. 2019 Apr 21;109(6):1569–1577. doi: 10.1093/ajcn/nqz024

FIGURE 2.

FIGURE 2

BCAA supplementation tended to improve glucose metabolism in obese, prediabetic subjects. OGTT was performed before and after supplementation of BCAA and low-BCAA interventions in a crossover fashion. (A) Plasma glucose response during OGTT. (B) Plasma insulin response during OGTT. (C) Plasma glucose AUC percentage changes normalized to the supplementation baseline. (D) Plasma insulin AUC percentage changes normalized to the supplementation baseline. Data are mean ± SE (n = 12). P values were derived from repeated-measures ANOVA with the use of a 2-period crossover design with P < 0.05 representing the test for significance. (C) BCAA supplementation tended to decrease the plasma glucose AUC (as percentage change normalized to supplementation baseline) during OGTT (P = 0.08). BCAA, branched-chain amino acid; OGTT, oral-glucose-tolerance test.