PROBLEM TO BE SOLVED: To provide a liquid composition for cancer prevention having low possibility of causing adverse effect and having excellent cancer cell antiproliferation effect, and also to provide a method for producing the same.SOLUTION: There is provided the liquid composition for cancer prevention which contains a yeast fermentation product of vegetables, fruits, seaweeds and/or grains and saccharides and in which the yeast is one with an accession number of FERM P-18540.COPYRIGHT: (C)2013,JPO&INPIT【課題】副作用を生じる可能性が低く、且つ優れたがん細胞増殖抑制効果を持つがん予防用液状組成物、及びその製造方法を提供すること【解決手段】野菜、果物、海草、及び/又は穀物の酵母発酵物と、糖類を含み、前記酵母が寄託番号FERM P-18540の酵母であることを特徴とするがん予防用液状組成物。【選択図】 なし