Source: Life Extension Foundation Ingredients: See below. Sale Price: $27.99 Take advantage of FREE air shipping in the USA! Read More . . . Glucosamine is a naturally occurring amino sugar synthesized in the body from L-glutamine and glucose. Glucosamine stimulates the manufacture of glycosaminoglycans, important components of the cartilage needed for healthy joints. Aging people seem to lose their ability to produce a sufficient amount of glucosamine and there are no food sources available. Commercial sources of glucosamine are from the exoskeleton of certain shellfish and are available as glucosamine sulfate, glusocamine hydrochloride, and N-acetyl-glucosamine. The sulfated form may most effectively incorporate sulfur into the cartilage. Glycosaminoglycans and glycoproteins allow cells in tissues to hold together. They are necessary for the construction and maintenance of virtually all connective tissues and lubricating fluids in the body. In particular, N-acetyl glucosamine is the final form, which together with glucuronic acid is polymerized to make the joint lubricant, hyaluronic acid. Chondroitin sulfates provide the structural components of joint cartilage and facilitate the entry of glucosamine into joints. Chondroitin sulfates inhibit free radical enzymes and facilitate the entry of glucosamine into joints. Like glucosamine, chondroitin sulfate attracts water into the cartilage matrix and helps to stimulate the production of cartilage. Supplement Facts Serving Size: 1 capsule Servings Per Container: 100 Amount Per Serving: Glucosamine sulfate (from 500 mg D-glucosamine sulfate 2KCl - Derived from shellfish) - 400 mg Chondroitin sulfate (elemental, from 500 mg gross weight) - 450 mg Other ingredients: gelatin, water, and magnesium stearate Dosage and Use: Take one capsule, one to eight times daily. This product is most effectively utilized when taken with meals. How to Order To order online, click on the "Order" box below. To see a list of all supplements, please check our Index or use our Search feature. If you have any questions, please contact us at info@lifeextensionvitamins.com, 1-510-527-3005 or 1-888-771-3905. glu/chonRetail Price: $34.00Sale Price: $27.99 100: caps FREE AIR MAIL SHIPPING IN THE U.S.! The statements made here have not been evaluated by the FDA. The foregoing statements are based upon sound and reliable studies, and are meant for informational purposes. Consult with your medical practitioner to determine the underlying cause of your symptoms. Copyright 1997-2008 Life Extension Vitamin Supplies and Life Extension Institute, Inc. All rights reserved.