LinkedIn Twitter Facebook. Does glucosamine work? What are glucosamine and chondroitin? What are the claims? Are the claims reasonable? Do glucosamine and chondroitin work? Search for:. Physiotherapy Physiotherapy will play an important part in the treatment of many knee conditions, here's why. For body weight less than lbs, the dose is generally reduced to mg for glucosamine sulfate and mg for chondroitin sulfate.
Duration of treatment has not yet been determined. Reported improvement e. Some studies have shown continued improvement of symptoms after oral intake was stopped. Generally, if there is no pain reduction after two months, there is little chance of improvement.
Patients should keep a diary of their symptoms when treatment begins to better judge any changes in pain level or joint movement, and this information should be shared with their physician. What are the side effects of taking Glucosamine and Chondroitin Sulfate? Common side effects may include: Nausea Diarrhea Gastrointestinal upset These side effects are reported in a small portion of patients. For example: Studies suggest that glucosamine sulfate may increase insulin resistance.
For this reason, diabetic patients should use glucosamine sulfate with caution and only under medical supervision. Patients on blood thinners anticoagulants should use chondroitin sulfate only after discussing and receiving approval from their physician. Privacy Policy. Similarly, a sponsored study showed that combining 1, mg of glucosamine hydrochloride with 1, mg of chondroitin sulfate effectively reduced knee osteoarthritis pain, stiffness, and swelling compared with mg of the osteoarthritis NSAID celecoxib Another study also found that combined glucosamine and chondroitin supplements were comparably effective as celecoxib Ultimately, no firm conclusions can be made on the effectiveness of glucosamine, chondroitin, or the two combined as a treatment for osteoarthritic pain or stiffness.
Due to the large inconsistency in results and quality of available research, continued research is needed. Taken together or individually, both glucosamine and chondroitin may provide minor relief from osteoarthritis pain. However, not all studies have shown them to be beneficial, and more research is needed. Most studies have shown that both glucosamine and chondroitin are safe to use for most people and no serious side effects have been reported.
Only mild side effects like stomach upset, nausea, and headache have been observed 13 , However, keep in mind that glucosamine is commonly derived from chitin — a compound found in shellfish. Therefore, those with a shellfish allergy should read the label carefully and opt for varieties made from cows or pigs Glucosamine may also be made from a fungus or fermented corn. And due to the animal origin of some ingredients, the supplements may not be suitable for those following a vegan or vegetarian dietary pattern.
Generally, glucosamine and chondroitin are considered safe, though they may not be suitable for those with shellfish allergies, diabetes, or taking anticoagulant medication. Talk with a healthcare professional first. Due to the conflicting data on the effectiveness of glucosamine and chondroitin, no standard recommendations are available.
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