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Boswellic acids (AKBA — acetyl-11-keto-β-boswellic acid is the most active) specifically inhibit 5-lipoxygenase, the enzyme that produces leukotrienes. Leukotrienes are inflammatory mediators involved in asthma, allergies, and chronic inflammatory conditions. This mechanism is unique — NSAIDs target COX-1/COX-2, corticosteroids broadly suppress immune function, but boswellia specifically targets the 5-LOX pathway.
AKBA also inhibits NF-κB, human leukocyte elastase, and microsomal prostaglandin E2 synthase. The anti-inflammatory effect is potent but narrower than corticosteroids.
Different mechanism; may be additive anti-inflammatory but also additive GI risk
Boswellia has mild antiplatelet activity; case report of increased INR
In vitro inhibition of multiple CYP enzymes — clinical significance unclear but exercise caution with narrow therapeutic index drugs
Anti-inflammatory properties may modulate immune function
Not Prohibited
Bannuru RR et al. Efficacy of curcumin and Boswellia for knee osteoarthritis: systematic review and meta-analysis.
Gupta I et al. Effects of Boswellia serrata gum resin in patients with bronchial asthma.
Gupta I et al. Effects of Boswellia serrata gum resin in patients with ulcerative colitis.
Sontakke S et al. Open, randomized, controlled clinical trial of Boswellia serrata extract in osteoarthritis of knee.
Independently graded against 173,636 indexed supplements with 177 published clinical interactions, sourced from PubMed, FDA CAERS, openFDA, and NIH DSLD | Last updated: April 2026
Not medical advice. Based on published clinical research and systematic reviews.