A purpose of the present invention is to provide a lipid metabolism-promoting composition, a fat storage-suppressing composition, or similar, having as an active component a substance that is heat stable, has an appropriate water solubility property, and has a lipid metabolism-promoting action. The present invention relates to a lipid metabolism-promoting composition that includes isoxanthohumol.本發明係以提供對熱安定、具有適度的水溶性之性質,且以具有促進脂質代謝作用的物質為有效成分之脂質代謝促進用組成物、脂肪蓄積抑制用組成物等為目的。 本發明係有關包含異黃腐酚(isoxanthohumol)之脂質代謝促進用組成物。