Blue Buffalo Healthy Weight, 30 LB, Large Breed Dog Dry Food. This holistically formulated food helps large breed dogs achieve and maintain a healthy weight. Made with high-quality protein from deboned chicken and L-carnitine, it promotes lean muscle development. Reduced in calories from fat, it provides a satisfying meal without excess calories. Glucosamine and chondroitin support joint function and mobility, while omega 3 and 6 fatty acids promote healthy skin and coat. Calcium, phosphorus, and essential vitamins ensure strong bones and teeth, and essential vitamins, chelated minerals, and antioxidants support immune system health.