The present invention provides an agent for preventing or suppressing
hepatic dysfunction which may be taken daily and continuously, has
excellent safety, and is capable of effectively preventing and/or
suppressing hepatic dysfunction, such as hepatocellular necrosis, and
functional food, such as foods for specified health uses, for preventing
or suppressing hepatic dysfunction containing this agent. The agent for
preventing or suppressing hepatic dysfunction of the present invention
contains whey as the active component, and the functional food for
preventing or suppressing hepatic dysfunction contains the agent for
preventing or suppressing hepatic dysfunction.