Moderate evidenceamino_acid
N-Acetyl Cysteine for Joint Pain
NAC replenishes glutathione in chondrocytes, protecting cartilage from oxidative degradation. It inhibits NF-kB and MMP activity in joint tissues, reduces IL-1beta-induced cartilage catabolism, and may slow osteoarthritic cartilage breakdown.
How strong is the research?
Moderate evidence
Based on a clinical trial with human participants.
Research source
SourceYusuf E et al. · Osteoarthritis and Cartilage 2017How much to take
600–1200 mg
NAC supports cartilage health through glutathione-mediated antioxidant protection and anti-inflammatory effects.