Chondroitin (chondroitin sulphate) is a chemical substance which is widely taken by arthritics to slow joint cartilage breakdown.

Chondroitin sulphate is extracted mostly from shellfish, and is a component of normal cartilage, helping to give it its elasticity.

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Glucosamine and chondroitin sulphate

Dr Karen Hambly talks about two popular nutritional supplements and their effects on joint cartilage.

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