PROBLEM TO BE SOLVED: To provide a composition having prostatomegaly inhibiting action and male hormone-like action inhibiting action, furthermore to provide a food and drink, animal feed, a cosmetic or a medicine containing the composition.SOLUTION: There are provided a composition having prostatomegaly inhibiting action and male hormone-like action inhibiting action containing sterol derivatives including cycloeucalenone, and a food and drink, animal feed, a cosmetic or a medicine containing the composition.