Search Term: " Absorber "
October 02, 2008 09:36 AM
Cartilage has several roles to play in your body, an example of which is to form curved body parts that would otherwise be unsupported, such as the external contours of your ears or a large part of your nose. Without cartilage you ears and nose would flop around a lot, and it is also contained in the spine, to prevent your discs from grinding against each other.
However, the part that we are interested in is as a shock Absorber between the bones of your joints. It allows bones to slide over one another without damage, either through friction or shock, and is also nature’s shock Absorber, helping to support your weight while you are active. Thus, your cartilage protects from impact damage when you are running or jumping down from a height. This type of cartilage, known as articular cartilage, is bathed in a lubricating fluid known as synovial fluid, which introduces its own problems when your cartilage becomes damaged.
This damage can occur in several ways: as the result of a fall, for example, or direct contact with the joint when playing a physical contact sport such as football or soccer. It can also become damaged through wear and tear over a period of time, such with long distance runners or soccer players (again), and is also associated with age. Many years of continual use, especially amongst those with active rather than sedentary occupations, eventually lead to wear and damage.
Problems with the joint structure itself, known as osteoarthritis, can also damage the cartilage, as can being overweight for a lengthy period. You can also experience cartilage damage if you are bedridden or other wise immobile for long periods, because the cartilage needs regular movement to function correctly. This is connected with the blood supply, which will be discussed shortly.
Cartilage is constructed of cells known as chondrocytes that generate a fibrous matrix known as collagen, a mixture of amino acids known as elastin that allows the cartilage to return to its original shape after deformation, and non-collagenous matrix tissue containing proteins, water and proteoglycans that contain sulfated glycosaminoglycan chains. That last mixture is often referred to as ‘ground substance.’
One of the problems with cartilage is its lack of a direct blood supply, and it relies on the compression and decompression of the articular cartilage, or on the flexing of elastic cartilage, to create a pumping action that drives blood to the chondrocytes. This is why inactivity can cause cartilage damage, due to a lack of blood supply, and why it is repaired more slowly than other body components.
Once an injury or wear and tear damages a joint, the body’s natural defense, the immune system, is activated, and the major part of that involved in cartilage damage is the inflammatory response. The joint becomes inflamed, the quantity of synovial fluid is increased to provide more protection and swells the joint, and enzymes (hyaluronidase) are produced which, although part of the natural defense system, actually degrade the synovial fluid and the cartilage.
This increases the amount of inflammation and the process becomes self-perpetuating, leading to the condition known as degenerative joint disease (DJD) because the body is unable to produce enough glucosamine to generate the proteoglycan needed for repair.
This is where glucosamine sulfate enters the scene. Glucosamine is a precursor for glycosaminoglycans (GAG), which as mentioned as above are components of proteoglycans in the cartilage matrix ground tissue. It has been shown to stimulate the biosynthesis of proteoglycan, and analysis has shown its presence within articular cartilage after administering it orally to patients with cartilage disease. It therefore makes its way to the right place.
Glucosamine is administered in the form of glucosamine sulfate, the highly electrically charged sulfate groups believed to aid in the compression properties of cartilage. It is rapidly absorbed into the bloodstream, although only about a quarter of the oral dose is eventually available to the body, and high concentrations accumulate in the liver, kidneys and in articular cartilage where it is used in the biosynthesis of GAG.
When in solution, glucosamine sulfate separates into ions: sulfate and glucosamine. Glucosamine ions are involved in the synthesis of GAG, that then combine with proteins to form proteoglycans, a component of the non-collagenous matrix of the cartilage. Although glucosamine is the major active component, there is evidence that the sulfate group contributes the stability of the matrix of the connective tissue since the uptake of sulfate ions increases with the amount of glucosamine sulfate used.
Another consideration here is that sulfate is an important part of proteoglycans, and glucosamine sulfate promotes not only the synthesis of glycosaminoglycans, but also of proteoglycans in general. Glucosamine is also active in regenerating the lubricating properties of the synovial fluid, and in hindering the activity of hyaluronidase, the enzyme that breaks down the hyaluronic acid in the synovial fluid.
Some people find that glucosamine, taken either alone or in conjunction with chondroitin sulfate and/or methyl sulfonyl methane (MSM), is more effective than the non-steroidal anti-inflammatory drugs (NSAIDs) used to reduce inflammation (e.g. Aspirin and Ibuprofen) and without the side effects of these substances. MSM contains dietary sulfur, which is necessary for cell structure and healthy cell repair. Methyl sulfone methane is know to be beneficial for painful conditions such as arthritis, and also improves the blood circulation. It might also play a part in helping glucosamine sulfate get to the site of the cartilage damage.
Glucosamine is a large molecule, however, and finds it difficult to make its way to the area around the joint due to the lack of a direct blood supply. It is therefore taken in relatively large doses to ensure that sufficient amounts get to where it is needed. Many people insist that glucosamine sulfate is very effective in reducing, or even eliminating, their pain, and it is finding increasing popularity in the treatment of arthritis and other conditions involving cartilage damage.
Boost Skin And Joint Health With Natural Supplements
January 19, 2008 10:37 AM
A lot of health conscious adults are now attempting to keep a youthful appearance for as long as possible by exercising, taking growth hormone enhances, and using expensive cosmetics. However, studies have proven that the major signs of aging in the skin, joints, and eyes occur due to a progressive collagen and hyaluronic acid degradation in our tissues. Researchers believe that supplementation of these key nutrients can actually reverse sings of aging.
Normal functioning of the skin requires that there be normal physiological substances in and around the skin cells. Of the many substances that are required for normal functioning, collagen is one of the most important. Collagen provides structural support to skin, which helps to maintain skin tone, subtleness and elasticity. All of these give the skin its amazing beauty. Without enough collagen, our body would actually lose any connective properties and its ability to hold together, causing the sagging and wrinkles that are associated with age.
Hyaluronic acid is also a vital component of the skin's structure. HA is a big part of the space between living cells and is also present in both the dermis and epidermis, where it allows skin to retain moisture and acts as a lubricant between the collagen matrix of the skin. Younger looking skin typically has higher levels of HA, but it has been observed that hyaluronic acid content declines as we age, most dramatically after the age of 50. Most people after the age of 40 have already lost a lot of HA and may require supplementation. High concentrations of hyaluronic acid and chondroitin sulfate are able to reach the corium layers of the epidermis and provide cellar level nourishment to the skin. This then reveals a more vibrant and younger looking complexion.
Doctors believe that osteoarthritis affects more than 20 million Americans, with that number reaching 40 million by the year 2020. Some doctors believe we're headed for an epidemic of degenerative joint disease. Osteoarthritis is a degenerative joint condition marked by the erosion of the cartilage at the ends of the bones. Cartilage is the shock Absorber of the joint, with regular wear and tear on the joints eventually softening, fraying, and thinning the substance. Other things that can cause cartilage degradation and osteoarthritis have recently been identified by scientists, including: weak quadriceps muscles, eroding cartilage, and changes in bone structure. Certain genes also play a role in predetermining cartilage status, and left untreated and unchecked, this can become extremely debilitating.
Since normal joint function requires healthy cartilage and bones, one of the most important substances required for the normal functioning of joints is collagen. As we age, it has been observed that there is a decrease in the production and concentration of collagen in the joints. The lack of this vital structure leads to joint pain and inflammation. Common treatments today include the prolonged use of painkillers and anti-inflammatory drugs, steroids, NSAIDs and COX-2 inhibitors which temporarily relieve pain and cover up the symptoms while the disease moves further. More often, these treatments worsen the condition instead of helping it due to their harmful side effects. A natural supplement containing Collagen II can not only halt the progression of arthritis but can also improve the condition and provide relief to sufferers.
Glucosamine Sulfate and Chondroitin Sulfate
March 28, 2007 11:10 AM
Glucosamine Sulfate and Chondroitin Sulfate
Osteoarthritis is the most prevalent form of arthritis in the U.S., according to the Arthritis Foundation. One-third of all American adults have X-ray evidence of osteoarthritis of the hand, foot, knee, or hip. Osteoarthritis is responsible for more than 7 million physician visits per year and is second only to cardiovascular disease as the cause of chronic disability in adults. As Baby Boomers age, the number of people suffering from osteoarthritis is expected to rapidly increase in the next 10 years.
While osteoarthritis research ahs led to the development of promising new prescription and over-the-counter medications aimed at reducing pain, none has created the excitement of glucosamine sulfate (GS), which actually addresses the underlying joint destruction.
Q. What is osteoarthritis?
A. Osteoarthritis is a complex, metabolic disorder of the cartilage and bones of certain joints. However, to fully understand how osteoarthritis develops, we need to understand how joints work.
A joint is formed when two or more bones are brought together and held in place by muscles and tendons. Some joints have very little range of movement, such as the joints of the ribs, while others have much more range of movement. Hips, knees, elbows, writs, and thumbs are termed synovial joints, and have the greatest range of movement and mobility of human joints. To allow such mobility, synovial joints have a unique structure.
The bones that form synovial joints are covered with cartilage. Tough fibrous tissue encloses the area between the bone ends and is called the joint capsule. The joint cavity within the capsule is lined with an inner membrane, called synovial membrane. The membrane secretes synovial fluid, a thick, slippery fluid that fills the small space around and between the two bones. This fluid contains many substances that lubricate the joint and ease movement.
The cartilage of synovial joints serves two very important functions. First, it provides a remarkably smooth weight-bearing surface; synovial joints move easily. Secondly, synovial cartilage serves as a shock Absorber, providing a soft, flexible foundation. Healthy cartilage absorbs the force of the energy, transmits the load to the bone, and distributes the mechanical stress created by joint movement.
Synovial joints function under almost continual mechanical stress. A joint’s ability to withstand or resist this stress is a reflection of its health. When the mechanical stress is too great or the joint’s ability to resist this stress is compromised, physical changes occur in the cartilage covering the bones.
Cartilage is a tough, elastic tissue, comprised mostly of water, collagen, and complex proteins called proteoglycans. In osteoarthritis, the cartilage starts to weaken, becomes frayed, and eventually breaks down. This exposes the bones of the joint, which then rub together. A gritty feeling and grinding sound may occur when an osteoarthritic joint is bent and flexed. As osteoarthritis progresses, bits of bone and cartilage often break off and float inside the joint space. The bones may enlarge, causing the joint to lose its normal shape. Tiny bone spurs may grow on the joints’ sides and edges. These physical changes in the diseased joint are responsible for progressive damage and continual pain.
People with osteoarthritis most frequently describe their pain as deep and aching. The pain not only is felt in the affected joint but may also be present in the surrounding and supporting muscles. Joint inflammation also may occur, increasing the already considerable discomfort. Joint stiffness is another unfortunate component of osteoarthritis. Exercising the joint most often results in increased pain; however, stiffness tends to follow periods of inactivity. Humid weather often makes all osteoarthritis symptoms worse. As the disease progresses, the pain may occur even when the joint is at rest, creating sleepless nights and miserable days.
Q. What causes osteoarthritis?
A. Osteoarthritis’ exact cause remains unknown. Researchers know aging doesn’t appear to cause osteoarthritis. Cartilage in people with the disease show many destructive changes not seen in older persons without the disease. However, certain conditions do seem to trigger osteoarthritis or make it worse.
Some families seem to have a lot of osteoarthritis, pointing to a genetic factor. This is most commonly seen in people who have osteoarthritis of the hands. Repeated trauma can contribute to osteoarthritis, too. Athletes, extremely active people, and individuals who have physically demanding jobs often develop the disease. Persons who have certain bone disorders are more prone to osteoarthritis due to the continuous, uneven stress in their hips and knees.
Obesity also is a risk factor for the disease. In overweight women, osteoarthritis of the knee is fairly common. Excess pounds also may have a direct metabolic effect on cartilage beyond the effects of increased joint stress. Obese people also often have m ore dense bones. Research has shown dense bones may provide less shock-absorbing function than thinner bones, allowing more direct trauma to the cartilage.
Q. Can osteoarthritis be prevented?
A. While there is currently no sure way to prevent osteoarthritis or slow its progression, some lifestyle changes may reduce or delay symptoms. The Arthritis Foundation states that maintaining a healthy weight, losing weight if needed, and regular exercise are effective osteoarthritis prevention measures.
Optimal calcium intake in younger years is vital to ensure a healthy aging skeletal system. Vitamins A, C, D, and E have been studied for their role in osteoarthritis prevention. These vitamins also have shown benefit in individuals who have osteoarthritis.
Q. What treatments are available for osteoarthritis?
A. The goal of treatment is to reduce or relieve pain, maintain or improve movement, and minimize any potential permanent disability. Typically, non-steroidal anti-inflammatory drugs or NSAIDs (pronounced “n-sayds”) such as aspirin and ibuprofen are used for pain and inflammation relief. These medications are effective in treating only the pain of osteoarthritis.
These medications have many side effects, some of which are serious. NSAID-induced gastrointestinal complications cause more than 100,000 hospitalizations and nearly 16,500 deaths annually in the U.S. Aspirin can cause an extremely annoying and continual ringing in the ears. NSAIDs frequently cause damage to the stomach lining, which can produce uncomfortable heartburn and abdominal pain. Continued NSAID use may lead to the development of stomach ulcers. NSAID-related ulcers can perforate the stomach lining and cause life-threatening bleeding. Most NSAIDs also interfere with blood clotting and may cause kidney damage. When older persons take NSAIDs, dizziness, drowsiness, memory loss, and decreased attention span may occur.
Acetaminophen (Tylenol and similar medications) is similar to aspirin and other NSAIDs in its pain-relief abilities. However, acetaminophen doesn’t reduce inflammation. And while acetaminophen doesn’t have the same side effects of aspirin and other NSAIDs, if large doses are taken, liver damage can occur.
Newer medications called COX-2 inhibitors provide both pain relief and reduce inflammation without the many side effects of acetaminophen, aspirin, and other NSAIDs. More recent research has indicated that, in certain situations. COX02 inhibitors also can cause stomach lining damage and bleeding. While aspirin, NSAIDs, and COX-2 inhibitors may reduce osteoarthritis pain, they do nothing to stop or slow down cartilage deterioration. In other words, these medications have no effect on the disease itself.
That is why many believe glucosamine sulfate (GS) and chondroitin sulfate (CS) are preferable to pain relievers and anti-inflammatory medications in osteoarthritis treatment: they actually improve synovial joint health. And they do this without potentially life-threatening side effects.
Q. How do GS and CS work?
A. GS improves the health of joints affected by osteoarthritis. This supplement is so effective that even physicians who mostly rely on conventional medications routinely recommend it to their patients with osteoarthritis. In fact, GS is so good at treating osteoarthritis, many physicians use it for their own osteoarthritis joints.
There is even more good news. When glucosamine sulfate is combined with low-molecular weight CS, even greater benefits can be achieved. GS and CS are naturally occurring compounds found in human joints. The right GS/CS combination actually reverses damage in joints affected by osteoarthritis, in turn significantly reducing pain and stiffness.
Glucosamine occurs naturally in the body and is found in synovial fluid. Glucosamine is a basic building block for proteoglycans, is a basic building block for proteoglycans, one of the important compounds of synovial cartilage. It also is required for the formation of lubricants and protective agents for the joints.
In Europe, GS and CS have been used to treat osteoarthritis for more than 10 years. While persons with arthritis felt much better when they took GS and CS, no one really knew how these compounds worked. When European and American researchers first started to study glucosamine, they discovered GS can reduce synovial joint inflammation. This explains why people felt better after taking it.
Q. What has additional study of GS and CS revealed?
A. As the scientific study of GS progressed, researchers determined it can stimulate the growth of cartilage cells, inhibit proteoglycans breakdown, and rebuild cartilage damaged from osteoarthritis. In other words, GS does not simply make persons with osteoarthritis feel better; GS actually makes persons with osteoarthritis get better.
GS is the form of glucosamine used in research. It’s the sulfate salt of glucosamine and breaks down into glucosamine and sulfate ions in the body. The sulfate part of GS plays an important role in proteoglycans synthesis.
CS also provides cartilage strength and resilience. CS is an important component of the cartilage proteoglycans of synovial joints. Because CS helps the production of proteoglycans, researchers believe CS works in a similar nature to GS.
Q. Couldn’t GS and CS be taken on their own? Is there any benefit in taking them together?
A. Research has discovered GS and CS act synergistically (work well together) in improving joint health. Several studies have investigated this action and it’s recommended that GS and CD be taken together. However, there may be times when your healthcare practitioner may recommend using one or the other, but not both GS and CS together. Please follow their recommendations to obtain the best results for your own unique health concerns. Low-molecular weight chondroitin sulfate (CS) is the preferred CS form, and the form that has shown the most promise in studies.
Q. Why is it important to take low-molecular weight CS?
A. When CS was first studied, it was given to six healthy volunteers, six patients with rheumatoid arthritis, and six patients with osteoarthritis. Researchers then measured the levels of CS in all study subjects. They found no evidence of CS in any of the subjects. This single study led many physicians and scientists to believe CS can’t be absorbed, and was not an effective natural treatment.
However, several other studies in healthy volunteers have reported CS can be absorbed. The distinct difference for these findings is thought to be associated with the types of CS used in the studies. Some forms are much more absorbable that others. This was demonstrated in a recent study using CS with lower molecular weight. A higher absorption is observed for low-molecular weight CS.
This means CS products with a low molecular weight may be better absorbed, allowing the CS to get into the bloodstream and the synovial fluid of joints where it’s needed.
Q. Are there other supplements that can help osteoarthritis?
A. Several vitamins, minerals, enzymes, and natural supplements have benefits for individuals with osteoarthritis. Proteolytic enzymes effectively offer relief of the pain, stiffness, and swelling of osteoarthritis.
Folic acid and vitamin B can reduce the number of tender joints and increase joint mobility. Vitamins C, D, and E not only may prevent osteoarthritis, but inhibit the disease’s progression. Niacinamide improves joint function, range of motion, and muscle strength. Clinical studies using the herb Boswellia serrata have yielded good results in osteoarthritis.
Application of ointments on osteoarthritic joints may be helpful in reducing pain and stiffness. Menthol-based preparations can provide soothing relief to painful joints. Capsaicin ointments and gel made for cayenne pepper also are very beneficial. When applied to the skin, capsaicin first stimulates, then blocks, nerve fibers that transmit pain messages. Capsaicin depletes nerve fibers of a neurotransmitter called substance P. This neurotransmitter transmits pain messages and activates inflammation in osteoarthritis. Capsaicin ointment is very effective in relieving osteoarthritis pain in many individuals.
Q. Is there anything else I can do for joint pain and stiffness?
A. When osteoarthritis occurs in the hands, use of a paraffin dip can be very comforting. A licensed health care practitioner can provide information about how to safely use paraffin dips at home.
Exercise is an excellent way to keep joints mobile, decrease pain, and increase body strength, too. Water aerobics also can reduce the pressure and stress on joints.
The Arthritis Foundation strongly suggests making movement an integral part of your life. When you’re in less pain and have more energy, more range-of-motion, and a better outlook on life, you’ll reduce stress and be a much healthier person despite your osteoarthritis.
One important last thought
When we don’t feel well, we sometimes have a tendency to self-diagnose. If you haven’t been evaluated by a licensed health care practitioner for your joint pain and stiffness, you need to do so. These symptoms may be caused by other illnesses and may require much different treatment. Only licensed health care practitioner can provide a certain diagnosis of osteoarthritis.
Osteoarthritis may be a part of life for many of us as we age; however, constant pain and stiffness need not be. GS combined with absorbable CS can actually improve damage in joints affected by osteoarthritis and significantly reduce pain and stiffness. And it can be an empowering way to improve your health.
Benefits - Supports joint function and tissue health*
December 11, 2006 03:46 PM
To understand glucosamine's role, it is important to understand joint structure and function. Cartilage in the joints acts as a shock Absorber to cushion the blows of daily wear and tear. Joint cartilage is made of a unique connective tissue that consists of collagen and proteoglycans. Collagen is a strong, fibrous, insoluble protein. Proteoglycans are large, carbohydrate-rich protein chains made up of 95 percent polysaccharides and 5 percent protein called glycosaminoglycans (GAGs). GAGs are composed of repeating two-sugar units (disaccharides) that contain glucosamine sulfate and other amino sugars. Surrounding the joint cartilage is synovial fluid, which contains many substances including its chief component, hyaluronic acid. Hyaluronic acid forms the backbone of other proteoglycans and is responsible for the thickness of synovial fluid as well as its lubricating and shock-absorbing properties. Synovial fluid also provides nutrients for the joint cartilage.
Glucosamine sulfate is a normal constituent of glycosaminoglycans in cartilage and synovial fluid. In essence, glucosamine sulfate provides important building blocks for cartilage production. Laboratory studies suggest that glucosamine may also function to stimulate production of cartilage-building proteins. It is also thought that the sulfate portion of the molecule contributes to the efficacy of glucosamine sulfate in the synovial fluid by providing the elemental sulfur needed for strengthening cartilage and aiding glycosaminoglycan synthesis. 1,2,3
Glucosamine sulfate has been the subject of research for over twenty years. Clinical trials as well as experimental studies have repeatedly supported the efficacy of oral glucosamine sulfate in supporting joint function. In one large open trial, over 1200 people took oral glucosamine sulfate for periods ranging from 36 to 64 days. In this multi-center trial, ninety-five percent of the subjects experienced greater joint comfort and increased mobility. The physicians reported "good" results in 59%, and "sufficient" results in 36%. Furthermore, the improvements in joint health lasted for up to three months after the glucosamine sulfate was discontinued. 3
Promotes optimal joint comfort, function and flexibility*
Boswellia serrata (Indian frankincense) has been used for centuries in the Indian Ayurvedic system of medicine to maintain healthy joints. Even today, this is one of the primary uses for this plant in Ayurvedic medicine. Boswellic acids have been shown to support healthy joint tissue, maintain circulation to joints, enhance joint mobility, and promote joint comfort in animal models without known side effects. 4
Boswellin® is an extract rich in boswellic acids. Boswellic acids are potent modulators of enzymes involved in leukotriene synthesis in vitro, promoting a healthy balanced production of these components of the immune system.5 Healthy leukotriene balance can lead to enhanced joint function. A human clinical study was conducted to assess the effects of supplementation with a formula containing Boswellia, Curcumin and other nutrients on joint function. In this double-blind placebo-controlled crossover trial, participants were randomly assigned to receive the herbal formulation or a placebo for 3 months. Following this 3-month period, the treatments were reversed for an additional 3 months. The results showed that while each group was receiving the herbal formulation, they had superior joint function and a greater sense of joint comfort when compared to the placebo groups.6 Other trials lend further support to Boswellia’s ability to promote healthy joint function.4,6,7
Curcumin is a potent antioxidant that has known free radical scavenging activity. This activity of Curcumin is thought to play a major part in its role as a joint protective nutrient. In fact, the numerous beneficial effects attributed of whole turmeric are thought to stem in large measure from the antioxidant properties of curcuminoids. Antioxidants neutralize free radicals, which are highly unstable molecules that can damage cellular structures through abnormal oxidative reactions. Curcumin is not toxic to cells, even at high concentrations. Pure Curcumin was shown to be less protective than a mixture of curcuminoids, indicating a possible synergism among the curcuminoids.8
Curcumin demonstrates several other in vitro effects linked to free radical scavenging. Curcumin scavenges nitric oxide, a compound associated with the body’s inflammatory response.9 Curcumin also demonstrates in vitro inhibition of certain enzymes involved in promoting inflammatory reactions in the body. Together these results strongly suggest that Curcumin is a potent bioprotectant with a potentially wide range of therapeutic applications.9,10,11
Preliminary human trials have assessed the therapeutic potential of Curcumin, with results that verify the traditional use of turmeric as an herb to enhance joint health. In a short-term double-blind, cross-over, comparative study, eighteen people were randomized to receive Curcumin (1200 mg daily) or an alternative therapy for two-week periods. The participants in the Curcumin groups were shown to produce measurable enhancements in joint flexibility and walking time.12 Research suggests that Curcumin and Boswellia work extremely well in combination to benefit joint health and mobility, as trials combining both nutrients have yielded highly positive results.
Bioperine-Nature’s Absorption Enhancer Boosts Nutrient Absorption*
Traditional Ayurvedic herbal formulas often include black pepper or long pepper as synergistic herbs. The active ingredient in both black pepper and long pepper is the alkaloid, piperine. Experiments carried out to evaluate the scientific basis for the use of peppers have shown that piperine significantly enhances bioavailability when consumed with other substances.13 Several double-blind clinical studies have confirmed that Bioperine® increases absorption of nutrients.14
Curcumin is known to be poorly absorbed in the intestinal tract when used on its own, thereby limiting its therapeutic effectiveness. Oral doses are largely excreted in feces, and only trace amounts appear in the bloodstream. However, a study has shown that concomitant administration of 20 mg of piperine with 2 grams of Curcumin was able to enhance Curcumin bioavailability by an astounding 2000%. 15 These results speak to the wisdom of including a small amount of Bioperine® in the formulation to ensure nutrient bioavailability.
Sustained Release – For lasting joint comfort and convenient dosing
To ensure that the body can utilize all of the joint health-enhancing nutrients effectively, Best Joint Support featuring ArthriBlend-SR™ has been designed to have a sustained release delivery system. The nutrients are released over a longer period of time, maximizing absorption and providing the comfort-enhancing properties in a sustained manner. This unique delivery system allows the product to be taken just twice daily while maintaining its efficacy throughout the day.
Suggested Adult Use: Take two tablets every 12 hours. Take 4 tablets daily.
2. Tapadinhas M.J., Rivera, I.C. Bignamini, A.A. Oral glucosamine sulphate in the management of arthrosis: report on a multi-centre open investigation in Portugal. Pharmatherpeutica 1982; 3(3):157-68.
3. Vaz, A.L. Double-blind clinical evaluation of the relative efficacy of ibuprofen and glucosamine sulphate in the management of osteoarthrosis of the knee in out-patients. Current Medical Research and Opinion 1982; 8(3):145-149.
4. Kimmatkar N, Thawani V, Hingorani L, Khiyani R. Efficacy and tolerability of Boswellia serrata extract in treatment of osteoarthritis of knee--a randomized double blind placebo controlled trial. Phytomedicine. 2003 Jan;10(1):3-7.
5. Safayhi, H., Mack, T., Sabieraj, J., Anazodo, M.I., Subramanian, L.R., and Ammon, H.P.T. (1992) Boswellic acids: Novel, specific, nonredox inhibitors of 5-lipoxygenase. J. Pharmacol. Exp. Ther. 261(3), 1143-1146.
6. Boswellia serrata. Alternative Medicine Review Monographs – Volume One. 2002.
7. Kulkarni RR, Patki PS, Jog VP, Gandage SG, Patwardhan B. Treatment of osteoarthritis with a herbomineral formulation: a double-blind, placebo-controlled, cross-over study. J Ethnopharmacol. 1991 May-Jun;33(1-2):91-5.
8. Majeed, M., Badmaev, V., Shivakumar, U., Rajendran, R. Curcuminoids: Antioxidant Phytonutrients. 1995. Piscataway, NJ: NutriScience Publishers.
9. Snow, J.M. Herbal Monograph: Curcuma longa L. (Zingiberaceae). The Protocol Journal of Botanical Medicine, Autumn 1995:43-46.
10. Rao, S., Rao, M.N.A. Nitric oxide scavenging by curcuminoids. J Pharm. Pharmacol. 1997;49:105-7.
11. Ramsewak, R.S., DeWitt, D.L., Nair, M.G. Cytotoxicity, antioxidant, and anti-inflammatory activities of Curcumins I-III from Curcuma longa. Phytomedicine 2000;7(4):303-308.
12. Deodhar, S.D., Sethi, R. Srimal. R.C. Preliminary study on antirheumatic activity of curcumin (diferoyl methane). Indian J Med Res 1980;71:632-34.
13. Atal, C., Zutshi, U., Rao, P. Scientific evidence on the role of Ayurvedic herbals on bioavailability of drugs. Journal of Ethnopharmacology 1981;4:229-232.
14. Bioperine®–Nature's Bioavailability Enhancing Thermonutrient. Executive Summary. 1996; Sabinsa Corporation, Piscataway, N.J.
15. Shoba, G., et al. Influence of piperine on the pharmacokinetics of curcumin in animals and human volunteers. Planta Medica 1998;64(4):353-6.
December 22, 2005 09:37 AM
Glucosamine & Chondroitin - JOINT HEALTH
Everyone old enough to walk appreciates the value of fl exibility and ease of movement. Unfortunately many of us take such good things for granted. A famous folksinger sang, “You don’t know what you’ve got till it’s gone.” That’s certainly true for millions of Americans who live with stiff and uncomfortable joints.
Fortunately there are a number of nutrients available that provide the vital components of healthy joint structure and function and ease of mobility. These nutrients are referred to as “chondroprotective agents,” and include glucosamine and chondroitin, which supply the raw material necessary to produce new cartilage, and may even help rebuild worn cartilage. Other chondroprotective nutrients and herbs, like Cetyl Myristoleate, MSM, and Boswellin, work synergistically with glucosamine and chondroitin and further support normal joint function To understand how chondroprotective agents work, one must fi rst understand how joints work. The key element in human joints is articular cartilage, the shock-absorbing tissue that connects two bones together and allows pain-free movement. Articular cartilage is comprised of two different molecules, collagen and proteoglycans, with the remainder composed primarily of water (65-85%). Collagen, a protein that binds tissue together, provides elasticity. Proteoglycans, composed of sugars and protein, absorb water, which provides lubrication and resiliency, nature’s shock Absorber for your joints. Both compounds are produced by chondrocytes, caretaker cells responsible for the formation and maintenance of cartilage. A defi ciency in any one of the above constituents will increase the likelihood of wear and tear on articular cartilage, which can eventually lead to compromised joint function.
Glucosamine and chondroitin are safe, natural and effective nutrients that support healthy joint function by supplying the materials needed to produce collagen and proteoglycans.
Glucosamine is composed of glucose (a sugar) and glutamine (an amino acid). It is utilized by chondrocytes to form glycosaminoglycans (GSG) and proteoglycans (PG). Both of these constituents attract and bind water into cartilage, increasing resiliency. Research indicates that glucosamine may actually help your body repair damaged or eroded cartilage. A number of studies have been conducted on glucosamine sulfate and glucosamine hydrochloride, with a preponderance of positive results. Glucosamine sulfate is considered the more effective of the two. One study from the University of Liege in Liege, Belgium studied the effects of glucosamine sulfate on 212 patients with knee osteoarthritis. Participants took either 1,500 mg glucosamine or a placebo once daily for three years. The study compared joint-space width at enrollment, one year, and at the study’s conclusion.
The 106 patients on placebo had a progressive jointspace narrowing, while participants taking glucosamine experienced no significant joint-space loss, indicating glucosamine may benefi cially modify cartilage structure.3 A study published in the journal Osteoarthritis and Cartilage in 1998 investigated the in vitro effects of glucosamine sulfate on proteoglycan and collagen production by chondrocytes taken from osteoarthritic articular cartilage. The results showed “a statistically signifi cant stimulation of PG production by chondrocytes from human osteoarthritic cartilage cultured for up to 12 days in 3-dimensional cultures.” 4 Another study from Italy enrolled eighty inpatients with established OA. They received either 1,500 mg of glucosamine sulfate or placebo daily for 30 days. The patients treated with glucosamine sulfate experienced a reduction in symptoms almost twice as large and twice as fast as those receiving placebo. Researchers also used electron microscopy of patient’s articular cartilage to support this hypothesis. Patients who received glucosamine sulfate showed a picture more similar to healthy cartilage. The researchers concluded that glucosamine sulfate tends to rebuild damaged articular cartilage and restore articular function.5
Chondroitin is classifi ed as a glycosaminoglycan. It bonds with collagen to form the basis of connective tissue. Chondroitin helps attract fl uid into proteoglycans, thereby bringing nutrients into cartilage and providing shock absorption. While glucosamine helps manufacture and maintain cartilage, chondroitin keeps cartilage from becoming malnourished. Chondroitin works synergistically with glucosamine, and these two nutrients form the basis of most joint health supplements on the market today. A 6-month randomized, multi-center, double-blind, doubledummy study published in 1996 compared the effectiveness of chondroitin versus a popular non-steroidal anti-infl ammatory drug (NSAID) in patients with knee osteoarthritis (OA). One hundred and forty-six patients with knee OA were recruited and separated into two groups; an NSAID group and a chondroitin sulfate (CS) group. The NSAID group was given the NSAID and a placebo for the fi rst month, then placebo alone for months 2-3. The CS group was given the NSAID and CS for the fi rst month, and then CS alone for months 2-3. Both groups were then given 1200mg of CS for months 4-6. “Patients treated with the NSAID showed prompt and plain reduction of clinical symptoms, which, however, reappeared after the end of treatment; in the CS group, the therapeutic response appeared later in time but lasted for up to 3 months after the end of treatment. CS seems to have slow but gradually increasing clinical activity in OA; these benefi ts last for a long period after the end of treatment.”6
NOW® Foods is your source for natural joint support products. Our Extra Strength Glucosamine & Chondroitin is one of our best-selling products, and we also have combination supplements that include MSM, Concentrace® minerals, and more. We also carry both glucosamine and chondroitin as separate products, as well as in powder and lotion forms.