Glucosamine
debunked glucosamine — once popular for joints; independent trials largely disappointed
Evidence by outcome
joint healthgrade Clow certainty— small and inconsistent osteoarthritis benefit; large independent trials disappointed
People say · Evidence shows
“Glucosamine rebuilds cartilage”
aheadlargemechanistic speculation
What changed
- B → C (2026-03-01) — Large independent trials showed inconsistent benefit; grade lowered.
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sources: PMID:00000033