Feta cheese is not lactose-free, but is typically considered low in lactose, making it easier to digest for some individuals who are lactose intolerant. Lactose is a sugar found in milk and dairy products, and during the cheese-making process, much of the lactose is removed. Feta cheese is traditionally made from sheep's milk or a combination of sheep's milk and goat's milk, which generally have lower lactose content compared to cow's milk.