Wells Pro Pac Large Breed Puppy Food - 33 Lb. Bag Calcium And Phosphorus Levels Support A Slower Growth Rate Helping To Minimize Common Joint And Bone Problems Fortified With Glucosamine And Chondroitin Sulfate To Help Maintain Healthy Joint Cartilage Adjusted Ratio Of Omega-6 And Omega-3 Fatty Acids Promotes Healthy Skin And Coat 100% Guaranteed