Healthy start for your big explorer. Royal Canin Maxi Puppy in Gravy is specially formulated to support the nutritional needs of large breed puppies up to 15 months old. This formula features a specialized Immune System Support complex with Vitamins E and C to boost natural defenses during the critical “immunity gap.” With Omega-3 fatty acids (DHA) for brain development and highly digestible proteins for gut health, it provides the perfect foundation for a strong, healthy adult life.