A food composition comprising tagatose and Lactobacillus casei, where Lactobacillus casei is one or more that are selected from the group consisting of Lactobacillus casei Shirota and Lactobacillus casei-01®.Una composición alimentaria que comprende tagatosa y Lactobacillus casei, donde el Lactobacillus casei es uno o más que se seleccionan de entre el grupo que consiste en Lactobacillus casei Shirota y Lactobacillus casei-01® .