Dietary supplement. Bonua size - 33% free. Maximum strength formula to help maintain the natural lubrication found in joints and cartilage. (This statement has not been evaluated by the Food and Drug Administration. This product is not intended to diagnose, treat, cure or prevent any disease.) Glucosamine sulfate, found in the soft cartilage, tendons, and synovial fluid, is essential to the healthy functioning of tendons and joints, especially with advancing age. 21st Century"s Glucosamine Maximum Strength Formula - one easy-to-swallow tablet daily. No sugar, salt, yeast, artificial flavors or colors. Made in USA.