NutriSource® Soft Chew Mobility Supplement Canine Health SupplementsCOMING SOON to your local independent pet retailer. Veterinarian formulated to support joint function and flexibility with ingredients to promote bone and cartilage health, support overall joint mobility, and help ease joint stiffness due to normal activity. Glucosamine and chondroitin are key building blocks of cartilage helping to main a dogs joints by promoting an increased production of cartilage cells and lubricants MSM is used primarily as an