A composition includes 1% to 30% by mass of phosphoryl oligosaccharides of calcium and 0.01% to 10% by mass of lactoferrin relative to a total mass of the composition. The composition also optionally includes 1% to 20% by mass of sodium bicarbonate, 1% to 5% by mass of potassium carbonate, 1% to 5% by mass of potassium hydrogen carbonate, 1% to 5% by mass of magnesium carbonate or 1% to 5% by mass of sucralose.
