#$%^&*AU2019100970A420191003.pdf#####ABSTACT The present invention relates to an infant formula or nutritional supplement composition comprising lactoferrin and sialic acid in a weight ratio of between 5:1 and 50:1. The composition may further comprise 0.5 to 2 parts by weight of a cationic colloid, which may be selected from one or more of: modified starch, gellan gum, locust bean gum, konjac gum, dextrin, carrageenan, xanthan gum, pectin, microcrystals, cellulose, propylene glycol alginate, gelatin, agar, guar gum, and sodium alginate.