Glucosamine is found in the soft cartilage, tendons and synovial fluid. Glucosamine Hydrochloride can help support joint and cartilage health. Plus. the added Vitamin D3 supports bone strength and your immune system. No sugar,. artificial flavors or preservatives. Gluten free. 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. Osteo Bi-Flex One Per Day+D is. a registered trademark of Rexall Sundown, Inc., Boca Raton, FL 33487 USA.