Joints and bones
Chondroitin
Also called: chondroitin sulfate
A part of cartilage, often sold with glucosamine.
- Why people take it
- Osteoarthritis.
- What the evidence says
- Mixed results; small effects in some studies.
- How it is usually taken
- Usually 800 to 1,200 mg a day, often with glucosamine; judge after 3 months.
- Be careful
- May add to warfarin.
- Medicines it can interact with
- May add to the effect of warfarin.
Other joints and bones
Common questions
What is Chondroitin?
A part of cartilage, often sold with glucosamine.
Why do people take Chondroitin?
Osteoarthritis.
Does Chondroitin work?
Mixed results; small effects in some studies.
How much Chondroitin do people take?
Usually 800 to 1,200 mg a day, often with glucosamine; judge after 3 months.
Is Chondroitin safe?
May add to warfarin.
Does Chondroitin interact with medicines?
May add to the effect of warfarin.
Sources and further reading
Last reviewed 31 October 2026. Written by Satya Babu.
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