<;P>;PROBLEM TO BE SOLVED: To provide a hepatic function disorder-improving agent which effectively uses a vegetable raw material, can daily continuously be used, is inexpensive, and has excellent safety. <;P>;SOLUTION: This hepatic function disorder-improving agent contains, as an active ingredient, a wort fermentation product obtained by fermenting a wort with Lactobacillus pentosus YIT10313 strain (FERM AP-21755). <;P>;COPYRIGHT: (C)2010,JPO&INPIT