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Glucosamine Plus Extra Strength
by Douglas Labs
90 Capsules
A Readily Available Form Of Glucosamine And Chondroitin
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Glucosamine Plus Extra Strength capsules, provided by Douglas Laboratories, contain a synergistic combination of glucosamine sulfate and chondroitin sulfate. Glucosamine sulfate is a well-absorbed source of glucosamine, an important precursor for the synthesis and maintenance of connective tissues. Chondroitin sulfate also supports formation of connective tissues, primarily joint cartilage, and helps protect existing cartilage. The potassium stabilized form of glucosamine sulfate is used in this product, making it a sodium- free product.*
FUNCTIONS
Glucosamine is a naturally occurring amino sugar found ubiquitously in glycoproteins and glycosaminoglycans. Glycosaminoglycans, formerly named mucopolysaccharides, are an integral component of all connective tissues.*
Connective tissue, a fibrous type of body tissue, has various functions. It supports and connects internal organs (ligaments), forms bone, cartilage, and the walls of blood vessels, attaches muscles to bones (tendons), and replaces tissues that have been damaged following injury. The two main components of connective tissue are collagen and proteoglycans. Collagen is the strong, fibrous protein that physically connects our tissues. Proteoglycans are large carbohydrate-rich structures, resembling a bottlebrush in three-dimensional structure, i.e., a central protein rod with many strings of glucosamine-containing glycosaminoglycans extending outwards. Proteoglycans hold large amounts of water forming a stiff gel by virtue of their dense negative charges from sulfates. Proteoglycans are linked to collagen fibers to help form connective tissues, and proteoglycans provide resiliency, load distribution, shock-absorption, and compressive and lubricating properties to joints and connective tissues.*
Glycosaminoglycans and proteoglycans are continuously being formed and replaced in connective tissues. Remodeling of connective tissues is also continuous, albeit slowly, with turnover half-lives of almost two years in healthy human joints. Turnover is accelerated in wound healing, arthritic joints, and burns. New synthesis of glycosaminoglycans has clinical importance in skin during normal wound healing, in bone during fracture repair and osteoporosis, and in joints. In these instances, glycosaminoglycan synthesis is necessary for healing, and enhancement of glycosaminoglycan and proteoglycan deposition may improve tissue repair.*
Glycosaminoglycans are synthesized primarily by fibroblasts (skin, tendons, ligaments), osteoblasts (bone), and chondrocytes (cartilage). Thus, the cell’s ability to manufacture glycosaminoglycans and secrete proteoglycans is crucial during any healing or joint disease process.*
The availability of glucosamine is the key, rate-limiting step in glycosaminoglycan and proteoglycan synthesis in all connective tissues, such as skin, bone, cartilage, tendons, and ligaments. Only with sufficient glucosamine can the synthesis proceed. The body has a long metabolic pathway to synthesize a glucosamine derivative, UDP-N-acetylglucosamine, which is used for glycosaminoglycan synthesis. In addition, exogenous, i.e., dietary, glucosamine serves as an immediate precursor for glycosaminoglycan synthesis, and also stimulates incorporation of other precursors into the connective tissue matrix.*
Chondroitin sulfate, a glycosaminoglycan formed in the body, is also used for the synthesis and maintenance of connective tissue, primarily within the cartilage matrix. In addition, chondroitin sulfate protects existing cartilage by reducing water loss from the matrix and by inhibiting the enzymatic breakdown of the cartilage.*
The overlapping activities as well as functional differences of glucosamine and chondroitin sulfate offer several advantages for combined supplementation. Although glucosamine is a precursor for chondroitin synthesis, this process requires large amounts of metabolic energy. Dietary preformed chondroitin sulfate spares the use of glucosamine for this purpose. Instead glucosamine can be used for formation of other important glycosaminoglycans and proteoglycans. When adequate chondroitin sulfate is thus available to help protect tissues from premature breakdown, glucosamine can more readily stimulate synthesis of healthy new tissue. Glucosamine is almost universally found in small amounts in most foods. However, bioavailability of glucosamine from foods is largely unknown.*
Bioavailability of oral glucosamine sulfate is excellent. It is absorbed intact, and utilized very quickly by all tissues, including connective tissues. Chondroitin sulfate is found in most animal tissues. Orally ingested chondroitin sulfate is also well absorbed and distributed to tissues. In summary, glucosamine sulfate is a well documented, highly effective source of glucosamine for glycosaminoglycan and proteoglycan synthesis in all connective tissues. Chondroitin sulfate is an excellent source of n-acetylgalactoaminoglycan for synthesis and protection of proteoglycans associated with cartilage tissues.*
INDICATIONS
Glucosamine Plus Extra Strength capsules may be a useful nutritional adjunct for individuals who wish to support the body’s connective tissues, such as skin, tendons, ligaments, bone, and cartilage.*
PLEASE NOTE: While the capsules used in this product are vegetarian, it DOES contain shellfish.
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Supplement FactsServing Size: One (1) Capsule
Servings Per Container: 90 | | | | Amount
Per Serving | Daily
Value | Glucosamine
(Sulfate 2KCL)
From crab and shrimp | 500 mg | ** | Chondroitin
Sulfate | 400 mg | ** | |
** Daily Value Not Established. Percent Daily Values are based on a 2,000 calorie diet. |
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| Cellulose, Silica, Stearates (Vegetable Source) |
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| As a dietary supplement, one (1) capsule three (3) times daily, or more as directed by a physician. |
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| Keep out of the reach of children. ... Store in a cool, dry place. ... Do not use if outer seal is missing.. ... If you have allergies to shellfish you should not use this product. |
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| This product contains NO yeast, wheat gluten, soy protein, milk/dairy, corn, sodium, sugar, starch, artificial coloring, preservatives or flavoring. CONTAINS crab and shrimp. |
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| Inflammation Nutrition, Joint Comfort, Joint Health, Joint Mobility, Joint Pain |
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| Connective Tissue, Joints |
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Böhmer D, Ambrus P, Szögy A, and Haralambie G. Treatment of chondropathia patellae in young athletes with glucosamine sulfate. In: Current Topics Sports Medicine (Bachl N et al., eds.) Urban & Schwarzenberg, Vienna, 1984, p.799.
Crolle G, and D’Este E. Glucosamine sulfate for the management of arthrosis: a controlled clinical investigation. Curr. Res. Med. Opin. 1980; 7:104.
D’Ambrosio E, Casa B, Bompani R, Scali G, and Scali R. Glucosamine sulfate: a controlled clinical investigation in arthrosis. Pharmatherapeutica 1981; 2:504.
Drovanti A, Bignamini AA, and Rovati AL. Therapeutic activity of oral glucosamine sulfate in osteoarthritis: a placebo-controlled double-blind investigation. Clin. Ther. 1980; 3:260.
Engel M, Maurel P, Margolis RK .Chondroitin sulfate proteoglycans in the developing central nervous system. I. Cellular sites of synthesis of neurocan and phosphacan. J Comparative Neurology 1996;366:34-43.
Lopes Vaz A. Double-blind clinical evaluation of the relative efficacy of ibuprofin and glucosamine sulfate in the management of osteoarthrosis of the knee in outpatients. Curr. Res. Med. Opin.1982; 8:145.
McCarty MF. Glucosamine for wound healing. Medical Hypothesis 1996;47:273-
275.
Morreale P, et al. Comparison of the antiinflammatory efficacy of chondroitin sulfate and diclofenac sodium in patients with knee osteoarthritis. J Rheumatol 1996;23:1385-91.
Piptone VR. Chondroprotection with chondroitin sulfate. Drugs Exp Clin Res
1991;17 (1):3-7.
Pujalte JM, et al. Double-blind clinical evaluation of oral glucosamine sulfate in the basic treatment of osteoarthrosis. Curr Med Res Opin 1980;7:110-114.
Tapadinhas MJ, Rivera IC, Bignamini AA. Oral glucosamine sulfate in the management of arthrosis: report on a multi-centre open investigation in Portugal.1982;3(3):157-168. |
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Our Price: $37.90 |
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