A Boswellia extract trial reported better knee symptoms
A placebo-controlled trial reported better pain and function with a specific extract in people described as having no or mild osteoarthritis.
Based on the published abstract. The full paper may contain additional methods, results and limitations.
The 30-second takeaway
The extract group had better knee symptom and function results than the placebo group, but SF-36 questionnaire scores did not change significantly. This is a finding about a particular product in the study’s narrowly described population. It does not establish that other Boswellia products work similarly or that benefits continue after treatment.
The abstract does not give the extract dose or clearly identify whether numerical symptom changes are within-group changes or placebo-adjusted differences. Its description of participants as having no or mild osteoarthritis is also imprecise.
What researchers found
Knee pain, stiffness and function scores
BOSMAX versus placebo over 90 days, based on WOMAC and pain-rating outcomes; the comparison basis of the numerical change estimates is unclear.
Interpreting symptom changes
The trial measured knee symptoms using questionnaires for pain, stiffness and function. Although the abstract lists numerical improvements, it does not make their comparison basis clear enough to present them as differences caused by the extract.
Other outcomes
Inflammatory markers also fell, but those laboratory changes are separate from symptom relief. The abstract describes good tolerability during the trial; that observation cannot establish safety over longer use or in other patient groups.
The original publication
Clinical Benefits of Boswellia Serrata (BOSMAX®) in Early Knee Osteoarthritis: A Randomized, Placebo-Controlled, Double-Blind Study.
Jayaram M, Kim J, Baek KS et al.
J Med Food · 2025
- PubMed ID
- 41220252
- Record checked
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