PROBLEM TO BE SOLVED: To provide novel AMPK activators.SOLUTION: The present invention provides (1) AMPK activator comprising black ginger extract as an active ingredient, (2) AMPK activator comprising polymethoxyflavone as an active ingredient, and (3) the AMPK activator described in (2) in which the polymethoxyflavone is 5,7-dimethoxyflavone.SELECTED DRAWING: NoneCOPYRIGHT: (C)2017,JPO&INPIT【課題】新規なAMPK活性化剤を提供すること。【解決手段】(1)黒ショウガ抽出物を有効成分とするAMPK活性化剤。(2)ポリメトキシフラボンを有効成分とするAMPK活性化剤。(3)上記ポリメトキシフラボンは5,7-ジメトキシフラボンである上記(2)に記載のAMPK活性化剤。【選択図】なし