Dietary supplement. 25% Free. 75-Day supply. The natural choice to promote cartilage regeneration and support healthy joints. Many recent scientific studies have show the effectiveness of taking supplements with the proper combination of Glucosamine Sulfate and Chondroitin Sulfate. These compounds found in the soft cartilage, tendons and synovial fluid, are essential to the healthy functioning of tendons and joints, especially with advancing age. 21st Century Glucosamine & Chondroitin 3X, combines these two nutritional elements in the proper amounts for your effective use. (These statements have not been evaluated by the FDA. This product is not intended to diagnose, treat, cure, or prevent any disease). For your health - No sugar, salt, yeast, preservatives, artificial flavors or colors. Unconditionally guaranteed for purity, freshness & label potency.