COMPOSITION FOR PREVENTING OR TREATING LIVER DISEASE

摘要

This invention provides a composition having preventive and/or therapeutic effects on liver disease, which is highly effective, free of side effects, easily ingestible, and capable of long-term ingestion from the viewpoint of a cost and safety. This invention relates to a peptide having the amino acid sequence represented by the following formula: pyroGlu-(X)n-A, wherein X is the same or different and represents Gln or Asn; A represents Gln, Asn, Leu, Ile, or Val; and n is an integer from 0 to 2 or a salt thereof.