Retrieve Health's Glucosamine 2x with Chondroitin is veterinarian recommended and scientifically formulated for hip and joint lubrication, and it actually aids in repairing damaged cartilage and ligaments. Glucosamine 2x contains pharmaceutical grade vitamins and minerals to ensure you are providing the highest quality ingredients to your sporting dog. These all natural active ingredients give your dog relief from swelling and arthritic symptoms, which alleviates aches and pains. Glucosamine 2x with Chondroitin contains essential antioxidants that help protect your gun dog against free radicals that cause cellular damage. Contact: Retrieve Health, Dept. GD, P.O. Box 129, Alexandria, MN 56308; (800) 752-0133; retrievehealth.com .