The invention relates to compositions and methods for increasing sialic acid uptake and/or incorporation into tissue following gastrointestinal ingestion of compositions that contain sialic acid.Linvention porte sur des compositions et des procédés permettant daccroître labsorption et/ou lincorporation dacide sialique dans un tissu après ingestion gastro-intestinale de compositions qui contiennent de lacide sialique.