Glucosamine and Chondroitin
Each entry’s own grades, side by side. A grade says how strong the evidence is for one outcome — it does not rank one entry over the other.
Compound or practice
Glucosamine
A joint mainstay with genuinely divided evidence — modest benefit at best, and a surprising cardiovascular-mortality observational signal in its favor.
Grade C2 graded outcomesrevised Jul 10, 2026
A structured monograph in Prometheus's bundled library. Its grades are the monograph's own reading of the evidence, not a peer-reviewed review.
Compound or practice
Chondroitin
Glucosamine's usual partner — similarly modest and contested for osteoarthritis.
Grade C1 graded outcomerevised Jul 10, 2026
A structured monograph in Prometheus's bundled library. Its grades are the monograph's own reading of the evidence, not a peer-reviewed review.
Graded in both
Outcomes are matched by name. Two entries can describe the same outcome in different words, so one listed further down may still be graded in the other.
No outcome has the same name in both entries. They may still overlap under different wording — read the two lists below.
Graded only in Glucosamine
- Osteoarthritis pain Small effectEvidence grade C
- Cardiovascular mortality (observational) Unclear effectEvidence grade C
Graded only in Chondroitin
- Osteoarthritis pain/function Small effectEvidence grade C
Conditions
Only in Glucosamine
- Osteoarthritis May improveEvidence grade C
Only in Chondroitin
None.
What each entry says about the other
- Chondroitin’s entry · Works together: The conventional joint pairing.
- Chondroitin’s entry · Goes with: The conventional joint pairing.
Both columns are read from the entries as they stand in this library. A comparison is not advice to take either one, and it is no substitute for a clinician who knows the person.