Founded by a veterinarian, Royal Canin has over 40 years experience in health nutrition. Our work with pet nutritionists, breeders, and veterinarians from around the world has provided us with knowledge about the specific nutritional requirements of dogs. This knowledge has allowed us to formulate the optimal diet for your dog's special needs. GLM: Made with a patented process to ensure delivery of New Zealand green mussel in the finished pet food. Large Breed: Specifically formulated for large breed dogs. EPA and DHA: EPA and DHA help support healthy joints. Digestive Support: Specific nutrient blend to help regulate intestinal transit and to help support the digestive flora. Freshpack: Nitrogen flushed to preserve food freshness and quality. Royal Canin Veterinary Diet® Canine Mobility Support JS® 24 Large Breed dry is a highly digestible, palatable, complete and balanced dog food formulated with New Zealand green mussel. The diet is antioxidant-enriched to help maintain the body's natural defense system. This diet has been formulated for the specific needs of large breed dogs. Royal Canin Veterinary Diet® Canine Mobility Support JS® 24 Large Breed dry is formulated to meet the nutritional levels established by the AAFCO Dog Food Nutrient Profiles for adult maintenance. Veterinary Exclusive GLM EPA & DHA Digestive Support