Royal Canin Canine Health Nutrition Babydog Milk is the closest possible nourishment to the mother's milk for puppies, with a high energy and protein content as well as easy-to-digest proteins and lactose levels similar to maternal milk. Fructo-oligosaccharides (FOS) helps support a healthy balance of digestive flora, and the exclusive formula dissolves instantly and completely with no sediment. With added DHA for harmonious growth, Babydog Milk is the ideal milk replacer for puppies.