The small intestine of a baby mostly produces only one carbohydrate enzyme, lactase, for digestion of the lactose in milk. (thehealthyhomeeconomist.com)
Because digestion of lactose is much slower than of glucose and fructose, lactose is considered relatively safe for diabetics. (thinkusadairy.org)
Where do I begin... First off, pasteurized milk is terrible for everyone as it does not have the living enzymes required to aide digestion of lactose. (strocel.com)