For liver injury, a 3-month clinical research provided the positive evidence that ALT, AST, GGT, TC, TG, HOMA-IR, NAS, and conditions of fecal flora in the probiotic group were better than those in the placebo group, and the probiotic group was better after treatment than before, which showed that probiotics can partly improve liver functions, glucose and lipids metabolism, hepatic fatty deposition in patients with NAFLD (77). The gene discussed is GPT; the disease is metabolic dysfunction-associated steatotic liver disease.