Dietary supplement with glucosamine, chondroitin, hyaluronic acid, and collagen, to restore joint physiology and support joint metabolism in dogs with osteoarthritis (OA). Confis Ultra contains: glucosamine [chitosamine from animal tissues (purity > 99% & molecular weight 216 Da)] which aids in the formation and regeneration of joint cartilage, chondroitin sulfate (100% purity & molecular weight 16.9 kDa) which protects cartilage and provides elasticity, lubricates joints and reduces pain and swelling through its anti-inflammatory action, maintaining joint functionality and mobility, hyaluronic acid (absorbed orally) contributing to the maintenance of synovial fluid necessary for restoring joint mobility, and native type II collagen (extracted from chicken breast) which plays an important role in immune health by supporting immune response maintenance.