PROBLEM TO BE SOLVED: To provide compositions that have an excellent glucose metabolism improving action, have high safety, and can be used easily； to provide foods, drinks, medicines, glucose metabolism improving compositions, and glucose metabolism improving agents, containing the composition； and to provide glucose metabolism improving methods.SOLUTION: The present invention provides a composition containing (A) Panax notoginseng, (B) Piper longum extract, and (C) at least either Vitamin B1, or a salt or derivative thereof, wherein Panax notoginseng (A) contains at least either Panaxadiol or Panaxatriol, and the total content of Panaxadiol and Panaxatriol is 0.1-50 mass%.SELECTED DRAWING: None【課題】優れた糖代謝改善作用を有し、安全性が高く、簡便に利用できる組成物、及び該組成物を含有する食品、飲料、医薬品、糖代謝改善組成物、糖代謝改善剤、並びに糖代謝改善方法の提供。【解決手段】（Ａ）田七人参と、（Ｂ）ヒハツ抽出物、並びに（Ｃ）ビタミンＢ１、その塩又は誘導体の少なくともいずれかと、を含有し、（Ａ）田七人参が、パナキサジオール及びパナキサトリオールの少なくともいずれかを含有し、パナキサジオール及びパナキサトリオールの合計含有量が、０．１質量％～５０質量％である組成物。【選択図】なし
