Can Glucosamine Help with Bone Spurs in the Knee? - Orthopedics

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Can glucosamine be taken for bone spurs?


Hello Doctor: My mother is 54 years old.
The X-ray shows that she has bone spurs on the inner side of her right knee and needs to undergo arthroscopic surgery.
I heard that glucosamine can help protect cartilage, as it seems her knee cartilage is inflamed.
I would like to ask if I can give my mother glucosamine regularly? Are there any side effects? What brands are available for selection?

justeasy, 20~29 year old female. Ask Date: 2005/09/16

Dr. Zhou Lizhi reply Orthopedics


Bone spurs are a result of skeletal degeneration, and glucosamine is a component of cartilage, which does not affect bone spurs.
Osteoarthritis, on the other hand, is caused by cartilage wear and leads to pain; in this case, glucosamine can be effective.
The typical dosage is 500 mg per capsule, taken 2 to 4 capsules daily, which serves both therapeutic and maintenance purposes.
Generally, there are few side effects, but due to its sodium content, long-term use is not recommended for patients with hypertension.
Therefore, after assessment, the user's mother can consider glucosamine as an adjunct therapy.
There are both original and locally manufactured brands, with Roche's "Cosequin" being one of the first manufacturers, which the user can compare for use.

Reply Date: 2005/09/16

More Info


Glucosamine is a popular dietary supplement often used to support joint health, particularly in individuals suffering from osteoarthritis and other degenerative joint conditions. It is derived from shellfish or can be synthesized in a laboratory, and it plays a crucial role in the formation and repair of cartilage, the tissue that cushions joints. In the context of your mother's condition, where she has been diagnosed with bone spurs (osteophytes) in her knee, it is essential to understand how glucosamine may or may not be beneficial.

Bone spurs are bony projections that develop along the edges of bones, often in response to joint damage or inflammation. They are commonly associated with osteoarthritis, where the cartilage in the joint wears down, leading to pain and stiffness. While glucosamine is known for its potential to help maintain cartilage health and possibly slow down the degeneration of cartilage, it does not directly affect bone spurs themselves. Instead, glucosamine may help alleviate some of the symptoms associated with osteoarthritis, such as joint pain and stiffness, by promoting the health of the cartilage and synovial fluid in the joints.

Regarding the use of glucosamine for your mother, it is generally considered safe for most individuals, with few reported side effects. Common side effects may include mild gastrointestinal discomfort, such as bloating or diarrhea. However, it is crucial to consult with her healthcare provider before starting any new supplement, especially if she has other underlying health conditions or is taking other medications. This is particularly important for individuals with hypertension, as some glucosamine products may contain sodium.

As for specific brands, there are several reputable manufacturers of glucosamine supplements available in the market. Some well-known brands include Schiff, Osteo Bi-Flex, and NOW Foods. It is advisable to choose a product that contains glucosamine sulfate, as this form has been studied more extensively and is believed to be more effective than glucosamine hydrochloride.

In terms of dosage, a common recommendation is to take 1500 mg of glucosamine sulfate per day, which can be divided into smaller doses. Some individuals may experience benefits within a few weeks, while others may take longer to notice improvements. It is essential to be patient and consistent with the supplementation.

While glucosamine may help with joint health, it is not a substitute for medical treatment. If your mother is scheduled for arthroscopic surgery, it is vital to follow her doctor's recommendations regarding pre-operative care and any supplements she should or should not take leading up to the procedure. Post-surgery, glucosamine may be beneficial as part of a comprehensive rehabilitation plan to support recovery and joint function.

In summary, glucosamine may provide some symptomatic relief for your mother’s knee pain associated with osteoarthritis and could potentially support cartilage health. However, it will not directly address the bone spurs themselves. Always consult with her healthcare provider for personalized advice and to ensure that any supplement regimen is safe and appropriate for her specific health needs.

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