Glucosamine (Chondroitin Sulfate)
A building block of cartilage — supplementing it helps replenish what wears down over time in your joints, especially knees and hips.
Benefits
- +Supports cartilage repair and maintenance
- +May reduce knee pain from osteoarthritis
- +Supports joint lubrication and flexibility
- +Well-studied — decades of clinical research
- +Works best as part of a glucosamine + chondroitin combo
Dosage & Cost
Results take 8–12 weeks. Glucosamine sulfate is the most studied form. Vegetarian options (from corn or fermentation) are available for those avoiding shellfish.
Side Effects
- !Very well tolerated overall
- !Possible mild bloating or digestive upset
- !May raise blood sugar slightly — monitor if diabetic
- !Can cause mild allergic reactions in people allergic to shellfish (if derived from shellfish)
- !May interact with blood-thinning medications
Food Sources
- • Shellfish shells (shrimp, crab, lobster) — the traditional extraction source
- • Bone broth (contains small amounts)
- • Not present in meaningful amounts in common foods — supplementation is needed
References & Links
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Featured Videos
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This page is for informational purposes only. The information here has not been evaluated by the Food and Drug Administration (FDA). No supplement discussed on this page is intended to diagnose, treat, cure, or prevent any disease. Please consult your doctor or a qualified healthcare professional before taking any dietary supplement.