Offer your medium to larger dog delicious hip and joint support no matter how old or young she is. Specifically formulated and sized for dogs over 30 lbs, these chews are duck flavored and are recommended for dogs of all ages needing advanced joint support. Chews contain glucosamine, chondroitin, MSM, antioxidants, perna mussel, and other ingredients that help support hip and joint health. This powerful combination of ingredients helps cushion joints, promote cartilage building, and support normal mobility. For dogs of any age that weigh over 30 lbs.