PURINA® PRO PLAN Large Robust Puppy with OPTISTART rich in chicken. It is a complete dry food specially formulated by veterinary experts and nutritionists for puppies of large robust breeds.It contains colostrum, found in the first breast milk and OPTISTART, which helps strengthen natural defenses with a combination of essential nutrients. Made with high quality chicken cooked carefully to preserve the maximum properties and nutrients of our ingredients.The recipe contains all the nutrients that puppies need to grow into a healthy and happy adult stage.It helps maintain healthy joints.It helps to maintain a healthy life in the long term. It allows the developing immune system of puppies to react efficiently. Specially formulated for dental care. It helps maintain healthy joints.