PROBLEM TO BE SOLVED: To provide a composition having motion-like action with safety and high practicality, a muscle-enhancing agent containing the composition, an HDL cholesterol increasing agent, and a feed for animals.SOLUTION: The invention provides a composition having motion-like action obtained by subjecting resveratrol to heat treatment under alkaline conditions, a muscle-enhancing agent containing the composition, an HDL cholesterol increasing agent and a feed for animals. The composition has the motion-like action, containing three kinds of resveratrol derivatives represented by the following formula.COPYRIGHT: (C)2016,JPO&INPIT【課題】安全で実用性が高い運動様作用を有する組成物、該組成物を含有する筋肉増強剤、HDLコレステロール上昇剤、及び動物用飼料の提供。【解決手段】レスベラトロールをアルカリ条件下で加熱処理して得られる運動様作用を有する組成物。該組成物を含有する筋肉増強剤、HDLコレステロール上昇剤及び動物用飼料。下式で表わされる等の3種類のレスベラトロール誘導体を含む前記運動様作用を有する組成物。【選択図】なし