GWF Joint Aid is a proven dog joint supplement excellent for boosting your dog’s glucosamine levels and making their joints supple. This high-grade joint supplement is designed to support active and aging dogs. Ingredients include 22 nutraceuticals which support the cartilage, tendons, ligaments, synovial fluid and muscles. This GWR joint supplement also helps reduce. Doctor's Best Glucosamine Chondroitin MSM + Hyaluronic Acid with OptiMSM Featuring Biocell Collagen, Joint Support, Non-GMO, Gluten Free, Soy Free, 150 Caps 2,032 6 offers from $21.98 #25 Nature Made Glucosamine Chondroitin Complex with MSM, Dietary Supplement for Joint Support, 120 Caplets, 60 Day Supply 196 2 offers from $9.99 #26.