One of the best things about being a pup is that even your nutritional supplements are made with tasty meat. Ark Naturals Sea "Mobility" Joint Rescue Venison Jerky Dog Treats have 500mg of glucosamine and chondroitin in every delicious soft chew square. They help keep hips and joints free from pain and functioning properly. Plus, it's a jerky treat! What dog doesn't love that?