Eukanuba German Shepherd 36 Lb Natural Beet Fiber: Beet pulp fiber and FOS work with your dog's natural defenses to support a healthy digestive tract. Made with highly digestible rice and grain sorghum to help maintain healthy blood sugar and energy levels. Natural sources of Glucosamine and Chondroitin Sulfate to help maintain joint and cartilage health. Made with antioxidants such as vitamin E to support your dog's immune system. Real chicken as the #1 ingredient provides an excellent source of protein.