Maju Black Seed Oil: An Honest Review of the US Brand
If you are researching maju black seed oil, you have most likely already noticed that Maju is one of the more visible black seed oil brands in the United States — sold on its own site, on Amazon, on iHerb and Walmart, in liquid, capsule and gummy form. It is a serious product from an established brand, and a fair question to ask is how it stacks up: what is actually in the bottle, what its headline claims mean, and what you should check before buying any black seed oil. This review looks at Maju honestly, on its own published facts, and then explains the one comparison that matters most.
For our own oil, see our cold-pressed Ethiopian black seed oil.
The Short Answer
- Maju Superfoods is a US brand. Its black seed oil is 100% Turkish black cumin seed (Nigella sativa), cold-pressed, unrefined, single-ingredient and non-GMO — a genuinely well-made oil.
- Maju guarantees "2%+ thymoquinone" and markets the oil as having "3 times" the thymoquinone of most others. The guaranteed floor is concrete; the "3x" is a relative claim against an unstated baseline.
- The oil is third-party tested for purity and packaged in glass — both good signs in a category where quality varies a lot.
- Maju does not appear to publish a halal certification, and describes its sourcing as "better than organic" rather than holding a formal organic certificate.
- The most useful question is not which brand has the bigger number on the label — it is which brand shows you a specific, independently verified figure per batch.
- Sidr & Stone publishes a specific figure — 2.67% thymoquinone, independently verified per batch by an ISO-accredited laboratory, with a Certificate of Analysis you can actually see.
Who Maju Is, and What They Actually Sell
Maju Superfoods is a United States supplement brand with a sizeable black seed oil range. The core product is a cold-pressed black cumin seed oil — pure Nigella sativa — sold in 2oz dropper, 8oz and 16oz glass bottles, alongside capsules and gummies for people who prefer not to take the oil by spoon. That breadth is a real convenience: not everyone wants to swallow a teaspoon of a fairly strong-tasting oil, and a brand offering the same seed in several formats is meeting a genuine need.
By its own published description, Maju's oil is 100% Turkish black cumin seed, grown on a family-owned farm and slowly cold-pressed without heat or chemicals. It is unrefined, non-GMO, and contains no fillers, solvents or artificial ingredients. On the basics — single ingredient, cold-pressed, unrefined, glass packaging — this is a properly made oil, and it is worth saying so plainly before getting into where the differences lie.
What Maju Gets Right
It is easy to read a comparison article expecting the competitor to be quietly torn down. That is not how we write, and Maju does not warrant it. There are several things the brand does that we would credit openly.
It commits to a measurable thymoquinone floor — "2%+ guaranteed" — rather than staying silent on the figure, which many oils do. It third-party tests for purity. It uses glass rather than plastic, which matters for an oil that degrades with light and air. It keeps the product to a single ingredient and states a single growing country. For a specialist supplement sold largely through marketplaces, that is a more transparent position than much of the shelf around it. None of that is faint praise; these are the right instincts.
The questions worth asking are narrower, and they are about how the headline numbers are framed.
The Thymoquinone Question: "3x" Versus a Specific Verified Figure
Thymoquinone is the most-researched compound in black seed oil, and the figure brands put on the label is doing a lot of work. Maju's framing has two parts: a guaranteed floor of "2%+", and a marketing line that the oil contains "3 to 4 times" more thymoquinone than most other black seed oils.
The floor is useful and honest as far as it goes — it tells you the oil will not fall below 2%. The "3x" is a different kind of statement. It is a relative claim, measured against an unstated average of "most other" oils, so the multiplier only means as much as the baseline you compare it to. A relative multiplier is not the same as a specific, current, measured percentage for the batch in your hand.
This is the distinction that matters when you are choosing. "At least 2%, and several times more than the average" is a reasonable position. A specific figure — measured per batch, by a named independent laboratory, with the certificate published so you can read it yourself — is simply more checkable. Neither approach is dishonest; one just asks you to take less on trust.
Origin: Turkish Seed Versus Ethiopian Highland Seed
Maju's seed is Turkish, from a single family farm — a clear, single-origin story, which is genuinely better than the vague "imported" sourcing common in the category. Turkey has a long black cumin tradition and produces good oil.
Our own seed is organically grown Ethiopian highland Nigella sativa, selected through a 36-supplier evaluation that consistently returned the highest thymoquinone levels from highland-grown Ethiopian seed. It is worth being careful about how this is framed: a peer-reviewed comparative study found Ethiopian black cumin oil higher in thymoquinone than Egyptian and Syrian samples in the oils studied, and a separate multi-country analysis reported Ethiopian samples highest among several origins. Those are findings from research samples, not a verdict on every bottle on a shelf — origin is a promising start, and independent testing is what turns a promising start into a confirmed result. Both Turkish and Ethiopian seed can make a fine oil; the point is not that one country wins, but that origin alone is never the whole answer.
What to Check Before You Buy Any Black Seed Oil
Whichever brand you are weighing up, the same short checklist separates a serious oil from a weak one. Is it cold-pressed and unrefined, so the heat-sensitive thymoquinone survives? Is it a single ingredient — pure Nigella sativa, nothing added? Is it in dark glass that protects the oil from light? And, most importantly, is the thymoquinone content backed by a specific figure you can verify, rather than a claim you have to trust?
Maju passes the first three comfortably. On the fourth, it offers a guaranteed floor and a relative claim; some brands offer a specific verified number. For a fuller walkthrough of every criterion, see our guide to choosing a quality black seed oil. The honest takeaway is simple: do not buy on the biggest number, buy on the most verifiable one.
Why Sidr & Stone
This article has argued that the question worth asking is not "who claims the most thymoquinone" but "who shows you a specific, verified figure". That is exactly the standard we hold ourselves to.
- 2.67% thymoquinone, independently verified per batch by Analytice, an ISO-accredited French laboratory, with a Certificate of Analysis you can actually see.
- Organically grown Ethiopian highland Nigella sativa, selected through a 36-supplier evaluation.
- Cold-pressed below 40°C, so the heat-sensitive thymoquinone is protected.
- Unrefined and 100% pure — a single ingredient, Nigella sativa seed oil, nothing added (and naturally occurring fine sediment is normal, not a fault).
- Matte black UV-protective glass, because thymoquinone degrades in light.
- Halal certified, with 10% of profits given to charity.
- Fulfilment in the UK, EU, and US.
We will not tell you Sidr & Stone is "the strongest" or that any single origin automatically wins — those are the very claims this article cautions against. What we will say is that our thymoquinone figure is 2.67%, independently verified per batch, and the evidence is there to read.
Frequently Asked Questions
What is Maju black seed oil?
It is a cold-pressed, unrefined black cumin seed oil (Nigella sativa) from the US brand Maju Superfoods, made from 100% Turkish seed and sold as a liquid, in capsules, and as gummies. It is single-ingredient and non-GMO.
How much thymoquinone does Maju black seed oil contain?
Maju guarantees "2%+" thymoquinone and markets the oil as having "3 to 4 times" more than most other black seed oils. The 2%+ is a guaranteed floor; the "3x" is a relative comparison against an unstated average rather than a specific measured percentage per batch.
Is Maju black seed oil good quality?
On the fundamentals it is a well-made oil: cold-pressed, unrefined, single-origin Turkish seed, single ingredient, third-party tested for purity, and bottled in glass. Those are the right instincts for the category.
Where is Maju black seed oil sourced from?
Maju states its black cumin seed is grown on a family-owned farm in Turkey and cold-pressed without heat or chemicals. A clear single-origin story is a point in its favour.
Is Maju black seed oil organic or halal certified?
Maju describes its sourcing as "better than organic" rather than holding a formal organic certificate, and does not appear to publish a halal certification. Always check a brand's current certifications directly, as these can change.
How does Maju compare to Sidr & Stone black seed oil?
Both are cold-pressed, unrefined, single-ingredient oils. The main difference is verification: Maju offers a guaranteed 2%+ floor and a relative "3x" claim, while Sidr & Stone publishes a specific 2.67% figure, independently verified per batch by an ISO-accredited laboratory, with a Certificate of Analysis you can read.
Where can I buy black seed oil I can verify?
Buying directly from a producer that publishes independent per-batch testing lets you check the thymoquinone figure before you commit. Our own cold-pressed Ethiopian black seed oil is available with fulfilment in the UK, EU, and US.
Is black seed oil a medicine?
No. Black seed oil is a food supplement, not a medicine. It has a long traditional history and an interesting body of research around thymoquinone, and can be a worthwhile part of a healthy routine — but it does not cure diseases and is not a substitute for medical care. Be cautious of any black seed oil marketed with specific disease-cure claims.
Final Thoughts
Maju is a solid, transparent black seed oil brand, and this review has tried to say so fairly. Its oil is cold-pressed, unrefined, single-origin and third-party tested, with a useful range of formats. If you are choosing between black seed oils, it deserves to be on the list.
The one thing worth holding onto is the difference between a claim and a verified figure. A guaranteed floor and a "3x" multiplier are reasonable marketing; a specific percentage, measured per batch by an independent laboratory and published for you to read, asks you to take less on trust. That is the standard we built Sidr & Stone around, and it is the question we would encourage you to ask of any brand, including ours.
Our cold-pressed Ethiopian black seed oil — independently verified at 2.67% thymoquinone — is available now, with fulfilment in the UK, EU, and US.
Shop Sidr & Stone Cold-Pressed Ethiopian Black Seed Oil — Verified 2.67% Thymoquinone →
Disclaimer: This article reviews and compares black seed oil products on publicly available information at the time of writing; brand specifications, claims and certifications may change, and readers should check current sources. References to Maju describe publicly available product information and are not affiliated with or endorsed by Maju. Comparisons are made in good faith and in fair terms. Black seed oil is a food supplement, not a medicine, and is not a substitute for medical treatment of any condition. For any health concern, consult a qualified medical professional.