No Benefit evidenceother
Glucosamine HCl for Joint Pain
The same proposed mechanism as the sulfate; the salt differs, and so did the result.
How strong is the research?
No Benefit evidence
The largest independent trial of these supplements. Glucosamine hydrochloride and chondroitin, alone or together, were no better than placebo overall. A subgroup with worse pain did better, which the authors themselves called preliminary.
How much to take
1500 mg