Expert says: For those who are lactose intolerant and therefore unable to
effectively digest lactose, the naturally occurring sugar in the milk, most can still consume small amounts of cow's milk without symptoms «Most people who are lactose intolerant can still drink half to one cup of milk without symptoms; and full cream milk is better tolerated than low fat milk.
Like most adult mammals, hamsters become
lactose intolerant once they are weaned — because nonhuman mammals generally do not drink milk once they stop consuming mother's milk, their bodies stop producing the enzymes necessary to breakdown milk sugars, and they lose the ability to
digest milk
effectively.