PROBLEM TO BE SOLVED: To provide an agent that can exhibit the action to inhibit the increase of a blood glucose level or the action to promote sugar, or a composition containing the same.SOLUTION: The present invention provides an agent for inhibiting the increase of a blood glucose level or an agent for promoting sugar uptake containing one or more selected from odd-numbered fatty acids and pharmacologically acceptable derivatives thereof as active ingredients, and an oral composition containing the agent for inhibiting the increase of a blood glucose level or the agent for promoting sugar uptake, and a food composition for inhibiting the increase of a blood glucose level.SELECTED DRAWING: NoneCOPYRIGHT: (C)2018,JPO&INPIT【課題】本発明は、血糖値上昇抑制作用又は糖取り込み促進作用を発揮することができる剤又はこれを含む組成物を提供することを目的とする。【解決手段】本発明は、奇数鎖脂肪酸及びその薬理学的に許容される誘導体から選ばれる1種又は2種以上を有効成分とする血糖値上昇抑制剤、糖取り込み促進剤、血糖値上昇抑制剤又は糖取り込み促進剤を含有する内服用組成物、及び血糖値上昇抑制用の食品組成物を提供する。【選択図】なし