Effect of dietary selenium on hepatic injury and insulin resistance in HFD-induced NAFLD mice. (A) The appearances of C57BL/6 J mice in different groups were photographed in the last week. (B) The body weights of mice were monitored for 12 weeks. (C) Food intake was monitored every week. (D) The results of IPGTT. (E) The levels of serum AST (n = 6, *** p < 0.001, ** p < 0.01). (F) The levels of serum ALT (n = 6, ** p < 0.01, * p < 0.05). (G) The levels of serum TC (n = 6, ** p < 0.01, *** p < 0.001). (H) The levels of serum TG (n = 6, * p < 0.05, *** p < 0.001). (I) H&E staining, Oil Red O staining, and Masson staining of liver section (400× magnification).