The present invention addresses the problem of providing a novel nutritional composition by finding ingredients for preventing the onset of bronchitis from breast milk ingredients. The present invention relates to a nutritional composition for preventing the onset of bronchitis, said nutritional composition being characterized by containing, as active ingredients, N-acetylneuraminic acid, 6'-sialyllactose, an a2,6 disialo N-linked sugar chain and a disialo N-linked sugar chain of a specific structure. This nutritional composition provides the effective ingredients not only for infants but also for aged persons and those having a pre-existing disease at high risk of bronchitis and, therefore, is also efficacious as a nutritional composition that is used in foods and nutritional compositions for adults and aged persons for preventing the onset of bronchitis.

You do not currently have access to this content.