The alimentary canal performance which decreases is improved, glutamic acid, 5 1 where it is chosen from the - nucleotide and those salts kinds are contained at least as a nutrition composition, and the composition for alimentary canal hypofunction prevention improvement which are effective to the diarrhea, stomach esophagus counterflow and the prevention improvement of the error which accompany the dosage of the liquefied nutrition medicine, at the same time when only glutamic acid is included, content of that dosage time the nutrition composition and the composition for alimentary canal hypofunction prevention improvement which feature that they are 0.0013 - 1.3w/v% as a separation glutamic acid are offered.低下した消化管機能を改善し、液状栄養剤の投与に伴う下痢、胃食道逆流および誤嚥の予防・改善に有効な栄養組成物、および消化管機能低下予防・改善用組成物として、グルタミン酸、5’-ヌクレオチドおよびそれらの塩から選ばれる少なくとも1種を含有し、かつグルタミン酸のみを含む場合その投与時の含量が遊離グルタミン酸として0.0013~1.3w/v%であることを特徴とする栄養組成物および消化管機能低下予防・改善用組成物を提供する。
