Research

Hormonal

Metformin treatment improves outcomes in osteoarthritis (OA) by reducing inflammation, protecting articular cartilage via the AMPK pathway, and reducing body weight.

For those with osteoarthritis, especially if overweight, metformin (if prescribed for diabetes) may offer additional joint protection and pain relief. This is likely due to its anti-inflammatory properties and weight loss effects. Consult your doctor about whether existing metformin therapy is contributing to joint health.

ModerateSupportsMEDIUM confidence
Animal studies showed that metformin protected articular cartilage by activating AMPK pathway, delayed the onset and progression of OA and reduced OA-related pain sensitivity in injury-induced OA models in mice and in primates [35, 36].
Sheng Chen et al. · Theranostics · 2022

Why this rating

Strong preclinical evidence (mice/primates) and some clinical observation, but large-scale human RCTs for OA specifically are not the primary focus compared to diabetes.

Source

Metformin in aging and aging-related diseases: clinical applications and relevant mechanisms

Sheng Chen et al. · Theranostics · 2022

DOI 10.7150/thno.71360

narrative_reviewCited 180×
Read the paper
DOI resolved against Crossref · corpus check 2026-06-10

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