Natural Factors Glucosamine and Chondroitin Sulfate helps relieve the joint pain of osteoarthritis and protects against cartilage deterioration. It is the most natural and successful choice for optimizing joint health and function because it provides the nutrients needed for enhanced joint lubrication, building new connective tissue, and strengthening cartilage.

Each Capsule Contains: Glucosamine Sulfate (potassium chloride from shrimp/crab exoskeleton)|500mg Chondroitin Sulfate (sodium from bovine cartilage)|400mg

1 capsule, 2-3 times per day with meals or as directed by a health professional.

McAlindon, Timothy E., et al. "Glucosamine and chondroitin for treatment of osteoarthritis." JAMA: the journal of the American Medical Association 283.11 (2000): 1469-1475. http://www.citeulike.org/group/1148/article/1041311 Houpt, J. B., et al. "Effect of glucosamine hydrochloride in the treatment of pain of osteoarthritis of the knee." The Journal of rheumatology 26.11 (1999): 2423-2430. http://europepmc.org/abstract/MED/10555905 Reginster, J. Y., et al. "Long-term effects of glucosamine sulphate on osteoarthritis progression: a randomised, placebo-controlled clinical trial."Lancet 357.9252 (2001): 251. http://www.ncbi.nlm.nih.gov/pubmed/11214126