Effect of collagen supplementation on osteoarthritis symptoms: a meta-analysis of randomized placebo-controlled trials
García-Coronado JM, Martínez-Olvera L, Elizondo-Omaña RE, Acosta-Olivo CA, Vilchez-Cavazos F, Simental-Mendía LE, Simental-Mendía M
Published in International Orthopaedics
Methodology
Meta-analysis of randomized placebo-controlled trials evaluating collagen derivatives on WOMAC and VAS outcomes in osteoarthritis.
Key Findings
Collagen supplementation significantly improved total WOMAC and pain VAS scores versus placebo, but did not significantly improve stiffness or function subscales.
Conclusions
Collagen has a modest benefit for osteoarthritis pain, with inconsistent effects on stiffness and function.
Limitations
Few included trials with small samples; heterogeneous collagen preparations and doses; short follow-up.
Supplements Studied
Collagen supplementation improved osteoarthritis symptom scores across pooled randomized trials
Collagen reduced pain scores modestly but did not significantly improve functional outcomes
Outcomes Measured
Collagen supplementation significantly improved total WOMAC and pain VAS scores versus placebo.
Collagen supplementation significantly improved total WOMAC and pain VAS scores versus placebo.
Collagen reduced pain scores modestly but did not significantly improve functional outcomes such as stiffness
Related Health Concerns
Study Details
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Disclosures
Funding
No commercial funding reported
This information is for educational purposes only. Always consult a healthcare professional before starting any supplement regimen.