PROBLEM TO BE SOLVED: To provide a GIP rise inhibitor which can be used for medicine, food, and the like.SOLUTION: The BIP rise inhibitor includes a 20C or more very-long-chain fatty acid or salt thereof as an effective component. A method for producing a fatty acid-containing composition uses, in at least part of the components of the fatty acid-containing composition, a 20C or more very-long-chain fatty acid or salt thereof instead of a long-chain fatty acid or salt thereof.COPYRIGHT: (C)2012,JPO&INPIT【課題】医薬品、食品等に利用することのできるGIP上昇抑制剤の提供。【解決手段】炭素数20以上の超長鎖脂肪酸又はその塩を有効成分とするGIP上昇抑制剤。【選択図】なし
