PURINA® PRO PLAN® Medium Puppy Healthy Start dry puppy food contains all the nutrients your puppy needs for healthy growth. Can also be given to pregnant or lactating bitches.The Healthy Start formula contains a blend of ingredients that includes colostrum - a nutrient from the mother's first milk that helps strengthen the puppy's immune system.Rich in high quality chicken, the food has been designed by PURINA experts to promote strong teeth and joints and to support overall long-term health.Facts about PRO PLAN Medium Puppy Healthy Start:Formulated for better dental health.Special ingredient for a good immune system and long term health.Promotes the puppy's natural protection system and allows it to respond effectively.A combination of essential nutrients contributes to healthy joints for your puppy's active lifestyle.Contains high quality chicken.