To provide an agent promoting secretion and/or suppressing decrease of adiponectin, and an eating and drinking product and a feed promoting secretion and/or suppressing decrease of adiponectin. Provided are an agent promoting secretion and/or suppressing decrease of adiponectin, and a eating and drinking product and a feed promoting secretion and/or suppressing decrease of adiponectin, having as an active component a culture supernatant of Streptococcus, Lactobacillus, Propionibacterium, yeast, Leuconostoc, and Lactococcus.