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What is Chondroitin Sulfate?
Chondroitin sulfate is a major structural component of cartilage that helps it hold water and resist compression. As a supplement, usually sourced from bovine or marine cartilage, it is one of the most studied joint ingredients, most often combined with glucosamine. The evidence is genuinely mixed: large trials show small average benefits for osteoarthritis pain and some signals that it may modestly slow cartilage narrowing over time, with effects that build over months rather than days. It is very well tolerated. It has mild blood-thinning potential, so take care alongside anticoagulants. A common approach is 1200 mg daily, often split, and paired with glucosamine.
A cartilage building block, usually paired with glucosamine, studied for joint comfort and slowing cartilage wear.
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