A food or beverage and a method of producing a food or beverage having an action preventing or alleviating symptom or disease, comprising an arachidonic acid-containing compound wherein the content of arachidonic acid per the total composition is at least 0.0003 wt%, and wherein the arachidonic acid-containing compound is triglyceride having arachidonic acid as a component fatty acid wherein the ratio of arachidonic acid in the total fatty acids in the triglyceride is at least 20% and wherein the symptom or disease is a symptom or disease caused by aging of blood vessels