Fig. 2

Changes in plasma FGF21, FFA, and glucose levels in the randomized cross-over trial. A Plasma FGF21 levels. B Plasma FFA levels. C Plasma glucose levels. Two-way ANOVA analysis and the post-hoc Tukey’s HSD test were performed. * and †indicate statistical significance compared to the baseline levels (p < 0.05). FGF21, fibroblast growth factor 21; FFA, free fatty acid