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Glucosamine Sulphate
2KCL

Moderate study situation·7/10
A higher score indicates better study conditions, but not necessarily effectiveness.

A joint health supplement commonly used to alleviate osteoarthritis symptoms and support cartilage structure.

Anti-inflammatoryJoint HealtBone Health
dose range
1500–3000 mg
500 mg three times daily
Consumption
Take with meals to support absorption and gastrointestinal tolerance.
Not fat-soluble.
Best time
Consistently dividing the dose with meals may reduce GI side effects.

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Description

Glucosamine Sulphate 2KCL is a stabilized form of glucosamine sulfate often used as a dietary supplement for joint and cartilage health. Its efficacy is best established for mild to moderate osteoarthritis, especially of the knee, primarily through symptom management and possible slowing of cartilage degeneration.

benefits
Main effects with level of evidence
Moderate
Note on evidence

Most research supports glucosamine sulphate (especially the 2KCL form) for knee osteoarthritis symptom relief, but its effects on disease progression and use in other conditions are less established.

Alleviation of Osteoarthritis Knee Pain

Moderate

Supplementation can reduce moderate to severe knee pain in osteoarthritis, with effects comparable to some NSAIDs in certain subgroups.

Particularly relevant for: Adults with osteoarthritis
2 · PubMed: Clegg DO et al., 2006. GAIT trial.3 · NIH Office of Dietary Supplements (ODS) Fact Sheet: Glucosamine & Chondroitin6 · Cochrane Review: Towheed TE et al., 2005

Improved Joint Function and Mobility

Moderate

May help maintain joint space and improve mobility through cartilage protection in long-term use.

Particularly relevant for: Adults with osteoarthritis · Older adults
2 · PubMed: Clegg DO et al., 2006. GAIT trial.3 · NIH Office of Dietary Supplements (ODS) Fact Sheet: Glucosamine & Chondroitin6 · Cochrane Review: Towheed TE et al., 2005

Mild Anti-inflammatory Effects

Limited

May modestly reduce inflammation markers in joints, reducing swelling and stiffness.

Particularly relevant for: Adults with osteoarthritis
4 · PubMed: Largo R et al., 2003, J Rheumatol7 · Examine.com: Glucosamine

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This information is for educational purposes only and does not replace medical advice.
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This website is for educational and informational purposes only and does not constitute medical advice or professional services. The information provided should not be used to diagnose or treat any health problem or disease. Persons requiring medical advice should consult a licensed physician.