A nutritional composition having enhanced sweetness perception, which includes up to about 7 g/100 kCal of a protein or protein equivalent source up to about 7 g/100 kCal of a fat or lipid source and at least about 5 g/100 kCal of a carbohydrate, wherein the protein or protein equivalent source has endogenous lactose which is at least 50% hydrolyzed and/or the composition includes lactose which is at least 80% hydrolyzed.