PROBLEM TO BE SOLVED: To provide an amino acid composition inhibiting accumulation of fat in tissue of a person anxious therefor, such as adipose tissue, liver and blood, safely, simply and maximally in comparison with conventional amino acid compositions.SOLUTION: The amino acid composition for inhibiting accumulation of fat contains 33-67 wt.% leucine and 33-67 wt.% threonine in terms of free amino acids thereof based on whole amino acids.COPYRIGHT: (C)2008,JPO&INPIT【課題】脂肪組織、肝臓、血液といった組織への脂肪蓄積を気にする者の組織への脂肪蓄積抑制を、既存のアミノ酸組成物と比べて、安全・手軽かつ最大限に得ることのできるアミノ酸組成物を提供すること。【解決手段】総アミノ酸中、アミノ酸遊離体換算量で、ロイシン33~67重量%およびスレオニン33~67重量%を含有する脂肪蓄積抑制用アミノ酸組成物。【選択図】なし