PROBLEM TO BE SOLVED: To provide a composition for the prevention, treatment or improvement of a symptom caused by a decrease in male hormone.SOLUTION: A male hormone increasing agent comprises S-1-propenyl-L-cysteinesulfoxide and zinc. A male menopause syndrome preventing or improving agent comprises S-1-propenyl-L-cysteinesulfoxide and zinc. A male function decrease preventing or improving agent comprises S-1-propenyl-L-cysteinesulfoxide and zinc.SELECTED DRAWING: NoneCOPYRIGHT: (C)2016,JPO&INPIT【課題】男性ホルモン低下に伴う症状の予防、治療又は改善のための組成物の提供。【解決手段】S-1-プロペニル-L-システインスルフォキシドと亜鉛を含有する男性ホルモン増加剤。S-1-プロペニル-L-システインスルフォキシドと亜鉛を含有する男性更年期症候群の予防又は改善剤。S-1-プロペニル-L-システインスルフォキシドと亜鉛を含有する男性機能低下の予防又は改善剤。【選択図】なし