Primary Research · 2010
Comparative efficacy and tolerability of 5-LOXIN and AflapinAgainst osteoarthritis of the knee: a double blind, randomized, placebo controlled clinical study
Sengupta K, Krishnaraju AV, Vishal AA, et al. · International Journal of Medical Sciences, 2010
Key finding
90-day RCT (n=60) found standardized Boswellia extracts (5-LOXIN 100mg, Aflapin 100mg) improved pain and physical function in knee OA as early as 7 days, with Aflapin showing faster onset.
Abstract
PubMed · PMID 20802593 →A shared aperture system for two laser beams with different wavelengths and composed entirely of reflective phase gratings is described. Beams that share an aperture are collinear, and they have the same transverse phase profile across the aperture as their respective sources. Using the Talbot effect that is observed in Fresnel diffraction from periodic objects, we preserve the phase of the beams, and we maximize the efficiency of the system. An experimental Talbot shared aperture system using He-Ne and He-Cd beams has an efficiency of 88.1% for the He-Ne beam and 70.3% for the He-Cd beam. These measured efficiencies agree well with theoretical predictions and computer simulations.
Abstract sourced from PubMed, a database of the U.S. National Library of Medicine. Displayed in the authors’ own words for context; our critique is in the sections below.
About the supplement
Boswellia (Frankincense)
Dose · mechanism · evidence grade · safety →
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How to read a study like this
The same questions worth asking about any research paper, not just this one. Worth a minute even if you trust the grade.
Who was studied, and do you resemble them?
Supplement effects often depend on baseline status. Vitamin D helps people who are deficient; iron helps people who are anemic. A result in people unlike you may not apply to you.
What was measured, and does it matter in daily life?
A study that shows a blood marker moved isn't the same as a study that shows people felt or functioned better. Ask what the outcome means in practice.
How large was the effect — not just whether it was significant.
'Statistically significant' only means the effect is unlikely to be zero. It doesn't tell you the effect is large enough to notice. Look for effect sizes, not just p-values.
Who paid for the trial, and what did they stand to gain?
Industry-funded trials are several times more likely to report positive results than independent ones. It's not usually fraud — it's subtle design and reporting choices. Weight accordingly.
Has anyone else replicated this?
Single positive trials are hypotheses. Replication by independent groups is what turns a hypothesis into reliable evidence. If the only positive trial is the one you're reading, wait.
Does the dose in the trial match what's being sold?
Supplement marketing routinely cites trials that used 5–10× the dose in the product. If the effective dose was 2 g/day and the capsule has 200 mg, expect roughly no effect.
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