PROBLEM TO BE SOLVED: To provide a composition which has an effect on suppressing the body weight gain and adiposity by ingesting a mixture of carnitine and dietary fiber.SOLUTION: The invention provides a composition containing carnitine or a salt thereof and polysaccharides derived from plants; functional or diet foods containing the composition concerned; drinks or feeds; as well as a pharmaceutical composition for suppressing adiposity, a pharmaceutical composition for improving obesity, and a pharmaceutical composition for treating metabolic syndrome. These compositions have an effect on suppressing of the body weight gain and adiposity.
