PROBLEM TO BE SOLVED: To provide a hypothermia ameliorating agent that is mass-produceable, and can effectively improve hypothermia symptom.SOLUTION: A hypothermia ameliorating agent contains an auxiliary component, in which the auxiliary component contains phosphorylated oligosaccharide calcium: 1 to 30%, lactoferrin :0.01 to 10%, and magnesium sulfate: 1 to 70% in mass% with respect to the total mass of the auxiliary component, and the auxiliary component is contained at 1 to 70% in mass% with respect to the total mass of the hypothermia ameliorating agent, and vitamin B family and blood circulation promotor may be further added.SELECTED DRAWING: NoneCOPYRIGHT: (C)2017,JPO&INPIT【課題】大量に製造することが可能で、かつ低体温の症状を効果的に改善することが可能な低体温改善剤を提供する。【解決手段】補助成分を含有し、上記補助成分は、当該補助成分全質量に対する質量%で、リン酸化オリゴ糖カルシウム:1~30%、ラクトフェリン:0.01~10%、硫酸マグネシウム:1~70%を含有し、上記補助成分は、当該低体温改善剤全質量に対する質量%で1~70%含有し、更にビタミンB群、血行促進剤を添加してもよい。【選択図】なし