Dietary supplement. New & improved. Now with hyaluronic Acid. Compare to active ingredients to Flex-A-Min. Many recent scientific studies have shown the effectiveness of taking supplements with the proper combination of Glucosamine, Chondroitin, MSM (Methylsulfonylmethane) and Hyaluronic Acid. 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"s Glucosamine & Chondroitin Plus, combines these 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). Unconditionally guaranteed for purity, freshness & label potency. No added sugar, yeast, preservative or artificial flavors.