Frankincense Oil Benefits: 13 Uses Backed by Research

Medically reviewed and written by Heidi Moretti, MS, RD, CLT — a registered dietitian with 25+ years of clinical experience in functional nutrition and integrative medicine. Updated for 2026 with current research.

Frankincense has a history that stretches from the tomb paintings of ancient Egypt to the incense burners of biblical text — and today it’s one of the most-searched essential oils for inflammation, joint pain, and immune support. But legend and marketing hype aren’t the same thing as evidence. Below, I’ve gone back through the research — including several 2024–2026 clinical trials that didn’t exist when I first wrote this post — to separate what frankincense is genuinely good for from what’s still speculative.

What Is Frankincense?

Frankincense oil is steam-distilled from the resin of trees in the Boswellia genus. You’ll also see it labeled as:

• Boswellia
• Indian frankincense (Boswellia serrata)
• Olibanum
• Guggul or guggal (technically a related but distinct resin, from Commiphora trees — the names are often used loosely and interchangeably online, so it’s worth knowing they’re not identical botanically)

More than 25 Boswellia species exist, with meaningfully overlapping — but not identical — chemistry and research support. The trees grow mainly in the dry regions of India, Somalia, Ethiopia, Yemen, and Oman. When the bark is cut, the tree exudes a resin that hardens into “tears,” which are then either steam-distilled into essential oil or processed into standardized extracts used in supplements.

A Brief History of Frankincense

Frankincense appears in the tomb art of Queen Hatshepsut in Egypt (circa 1500 BC) and was documented as medicine by ancient Greek and Roman physicians. Its name comes from the Old French franc encens, roughly “pure incense.” Use declined as historic trade routes through Arabia were disrupted, but interest has rebounded considerably as modern pharmacology has started to explain why traditional use persisted for millennia.

Frankincense Constituents

Frankincense resin and oil contain a complex mix of compounds, including:

• Boswellic acids (the most studied anti-inflammatory constituents, concentrated in the resin/extract more than the distilled essential oil)
• alpha-Pinene and beta-Pinene
• Limonene
• alpha-Phellandrene
• alpha-Thujene
• Linalool
• Assorted terpenes

These compounds are studied for anti-inflammatory, analgesic, and immune-modulating activity — which is the thread connecting most of the uses below.

How Frankincense Works: Mechanisms Backed by Research

Boswellic acids appear to work through several overlapping pathways. One notable target is 5-lipoxygenase (5-LOX), an enzyme that drives production of leukotrienes — inflammatory chemicals implicated in asthma, arthritis, and inflammatory bowel disease. Boswellic acids also appear to dampen NF-κB signaling, a master switch for inflammatory gene expression, and one compound (acetyl-11-keto-beta-boswellic acid, or AKBA) is a documented 5-LOX inhibitor with reasonable specificity — one of relatively few plant compounds studied for this mechanism.

None of this means frankincense “cures” the conditions below. It means there’s a biologically plausible mechanism that several — though not all — clinical trials have gone on to test directly, which is a meaningfully higher bar than traditional use alone.

13 Evidence-Informed Frankincense Uses

Here’s where the research actually points, condition by condition. I’ve noted the strength of evidence for each — some are backed by multiple human randomized controlled trials, others by early animal or cell-culture work only.

1. Osteoarthritis and joint pain. This is frankincense’s best-supported use. A 2024 multi-center, placebo-controlled trial found a standardized Boswellia serrata extract improved knee osteoarthritis symptoms within five days^[1], and a separate 2025 randomized trial reported improved knee joint function and cartilage-related markers with daily supplementation^[2]. A topical frankincense oil solution has also outperformed placebo for knee OA pain and function^[3]. See my full guide to anti-inflammatory foods for arthritis for how to pair this with diet.
2. Exercise-related muscle soreness. A 2025 study found ten days of Boswellia serrata supplementation reduced soreness and sped recovery after repeated downhill running in recreationally active men^[4] — a newer application worth watching.
3. Asthma, as an add-on. Because boswellic acids inhibit 5-LOX, frankincense has been studied alongside (never instead of) standard asthma treatment, with older trials reporting improved functional markers versus placebo. This remains an adjunct, not a replacement for prescribed inhalers or controller medication.
4. Skin health. Topical frankincense has shown improvements in markers of skin elasticity and roughness in small clinical and cell studies, and is commonly used (diluted) in anti-aging skincare routines.
5. Immune modulation. Boswellic acids have been shown in cell studies to influence innate and adaptive immune activity, which is part of why frankincense is explored for autoimmune-pattern conditions. If food sensitivities are also driving your inflammatory load, my leaky gut and gut-healing guide covers the piece frankincense alone won’t address.
6. Cancer-related research (early stage). Laboratory and animal studies have found boswellic acids reduce proliferation of several cancer cell lines and tumor markers in rodent models. This is genuinely interesting mechanistic research — but it has not been tested in human cancer trials, and frankincense should never be treated as a cancer therapy or substitute for oncology care.
7. Thyroid tissue support (preliminary). Because chronic inflammation affects thyroid function, some cell-culture research has looked at boswellic acids’ effect on thyroid tissue. This is early and indirect; if thyroid symptoms are a concern, start with proper lab testing — see my guide to thyroid-supportive nutrients.
8. Seizure activity (animal models only). Rodent studies have found frankincense oil reduced seizure frequency and preserved learning/memory after kindled seizures. There are no human trials, and frankincense should never replace anti-epileptic medication.
9. Cognitive and neuroprotective support (animal models). Related rodent research suggests frankincense may support antioxidant capacity (via glutathione) in nerve tissue and reduced memory deficits in an Alzheimer’s-model study. Promising mechanism, but pre-clinical.
10. Cardiovascular markers (animal models). Animal studies report improvements in lipid markers and antioxidant enzyme activity with frankincense administration. Human cardiovascular trials are still needed before drawing conclusions for people.
11. Inflammatory bowel conditions. This is one of the more clinically interesting uses: a small trial found Boswellia resin performed comparably to sulfasalazine for ulcerative colitis remission, and separate research has shown benefit for Crohn’s disease and collagenous colitis. Promising, but these were small trials, and IBD needs medical monitoring regardless of what supplements are added — this is exactly the kind of gut inflammation where individual triggers matter too; see the leaky gut guide for the food-sensitivity piece.
12. Pain and mood support. A hospice-care study using a frankincense-bergamot-lavender hand-massage blend reported reduced pain and depressive symptoms compared with massage alone. For more oil-specific pain protocols, see my essential oils for nerve pain guide.
13. Gingivitis. A clinical trial in teens found oral-topical frankincense reduced gingival inflammation more than a standard drug treatment over 14 days — one of the more rigorously tested uses on this list.

Frankincense Essential Oil vs. Boswellia Extract: Which Form for Which Use

How to Use Frankincense Oil

Topically (diluted): Combine with a carrier oil such as fractionated coconut oil (a common starting ratio is roughly 15–20 drops of frankincense per 10 ml of carrier) before applying to skin, joints, or areas of tension. Patch-test first if you have sensitive skin.

Diffusing: A few drops in a standard diffuser can be pleasant for creating a calm environment; frankincense blends well with wild orange, lavender, and myrrh.

Oral Boswellia extract: Follow the specific product’s label dosing — this varies by extraction standardization (percent boswellic acids) and is not interchangeable across brands.

If you’re pregnant, breastfeeding, on anticoagulant or NSAID therapy, or managing a chronic condition, talk with your healthcare provider before adding any new essential oil or herbal supplement — including frankincense.

Choosing a High-Quality Frankincense Oil

Essential oil quality varies enormously between brands, and this matters more for frankincense than for many oils because of how it’s harvested. A few things I look for:

• Third-party GC/MS testing for every batch, ideally with results you can actually look up — not just a certificate of analysis on request.
• Species and country of origin clearly listed (Boswellia carteri, sacra, and serrata all show up under the “frankincense” label but aren’t chemically identical).
• Sustainable harvesting practices — over-tapping is a real threat to wild Boswellia populations, and a reputable brand will be transparent about this.
• Skepticism toward “organic” claims specifically for frankincense — much of the world’s Boswellia grows wild in regions without organic certification infrastructure, so an “organic” label here is more often a marketing signal than a purity guarantee. GC/MS testing tells you far more than a certification does.

Look for a brand that publishes batch-level GC/MS results you can actually search, rather than one that simply states “third-party tested” without showing the data. That transparency — not the price point or the “therapeutic grade” marketing language, which isn’t an FDA-regulated term — is the real signal of quality.

Safety, Side Effects, and Who Should Avoid It

Frankincense is generally well tolerated. Reported side effects are typically mild and include gastrointestinal upset (nausea, diarrhea, acid reflux) with oral Boswellia extract, and occasional skin irritation with topical essential oil use, particularly if undiluted. Contraindications and cautions include:

• Known sensitivity or allergy to frankincense or related resins
• Pregnancy or breastfeeding — consult your provider first
• Use alongside anticoagulants, NSAIDs, or other medications metabolized similarly, due to reported interaction potential
• Never swallowing undiluted essential oil, regardless of brand
• Never substituting frankincense for prescribed treatment for asthma, epilepsy, cancer, or autoimmune disease

Frequently Asked Questions

Final Thoughts

Frankincense has genuinely interesting, mechanism-backed research behind it — particularly for joint pain, where newer 2024–2025 trials have strengthened the case considerably. But “600 studies exist” isn’t the same as “proven for everything it’s marketed for.” Use the strongest-evidence applications (joint pain, gut inflammation, gingivitis) with confidence, treat the early-stage animal research as promising-but-not-actionable, and always loop in your healthcare provider before combining it with medications. As always around here: test, don’t guess, about what’s actually driving your inflammation — frankincense can be one tool in that toolkit, not the whole plan.

References: [1] Majeed et al., Front Pharmacol 2024;15:1428440. [2] Majeed et al., J Am Nutr Assoc 2025;44(5):375-386. [3] Mohsenzadeh et al., BMC Res Notes 2023;16:28. [4] Frontiers in Sports and Active Living 2025;7:1488821. [5] Boswellia and glycemic markers meta-analysis, PMC 2024.