Glucosamine Sulfate

Does glucosamine sulfate work?

Overall Effectiveness Rating for Glucosamine Sulfate

The overall effectiveness rating for glucosamine sulfate is 1.8 out of 3. This rating means there is some evidence that using glucosamine sulfate may lead to positive results. This rating also means that some evidence does not back up all claims. Below you can find individual ratings for specific claims.

Overall Confidence Rating for Glucosamine Sulfate

There are 4 studies in the database on glucosamine sulfate; the confidence rating is 50. A score above 80 means the effectiveness rating for this supplement is reliable. A score under 80 means there is insufficient evidence to ensure a reliable effectiveness rating. Note, this rating is for glucosamine sulfate as a whole. There are also individual ratings for the claims below.

Products Containing Glucosamine Sulfate

Products Containing Glucosamine Sulfate
Hall of Fame
MILLECOR Joint Support
Core Flex
Super Flexy
Proven Joint
Full list of all 5 products containing Glucosamine Sulfate.

Individual Claims

The overall ratings above do no necessarily reflect each claim about glucosamine sulfate. Individual claims can have higher or lower ratings. For example, some supplements may have a lot of backing for one claim, but be completely useless for another. Click on claims below for more information.

Performance Claims Effectiveness Rating Confidence Rating
improve flexibility

Recovery Claims Effectiveness Rating Confidence Rating
reduce joint pain


Title of Study
Efficacy and safety of glucosamine sulfate versus ibuprofen in patients with knee osteoarthritis
Evaluation of glucosamine sulfate compared to ibuprofen for the treatment of temporomandibular joint osteoarthritis: a randomized double blind controlled 3 month clinical trial
Glucosamine Administration in Athletes: Effects on Recovery of Acute Knee Injury
Randomized, controlled trial of glucosamine for treating osteoarthritis of the knee