Dr. Gary's Best Breed Holistic Large Breed Dry Dog Food is a nutritionally dense diet that’s holistically formulated for all dogs over 50 pounds. This recipe provides premium protein from chicken and menhaden fish as well as glucosamine and green-lipped sea mussels to naturally support mobility in larger dogs. Quality fiber sources, prebiotics and probiotics ensure a highly digestible food with maximum nutrient absorption, which helps large breed dogs maintain a healthy weight.