PROBLEM TO BE SOLVED: To provide antiviral action promoting compositions which are excellent in safety and are capable of taking and/or ingesting daily over a long period of time.SOLUTION: A composition for promoting antiviral action contains a peptide having the number of amino acid residues of 2 to 10 having tyrosine at a C-terminal, or a derivative thereof or a pharmacologically acceptable salt thereof as an active ingredient.SELECTED DRAWING: Figure 1COPYRIGHT: (C)2018,JPO&INPIT【課題】安全性に優れ、日常的に長期にわたり服用及び/又は摂取が可能な抗ウイルス作用促進用組成物を提供する。【解決手段】チロシンをC末端に有するアミノ酸残基数が2~10のペプチド若しくはその誘導体又はその薬理学的に許容される塩を有効成分とする抗ウイルス作用促進用組成物。【選択図】 図1
