Provided is a composition containing stabilized phosphatidylserine, comprising (a) phosphatidylserine, and (b) at least one calcium compound selected from the group consisting of calcinated calcium, calcium oxide and tricalcium phosphate.一種含安定化磷脂醯胺酸之組成物,其含有(a)磷脂醯絲胺酸及(b)由煅燒鈣、氧化鈣與磷酸三鈣所組成群組選出之至少一種鈣化合物。