Extracted from the tiny black seeds of the flowering Nigella sativa plant named by Swedish botanist Carl Linnaeus in 1753 (Nigella meaning “blackish” or “dark” and sativa meaning “cultivated”), the oil has since drawn attention for its anti-inflammatory, antioxidant, antimicrobial, antihypertensive, hypolipidemic and hypoglycemic effects.
“Traditionally, it has been utilized to treat various ailments, encompassing respiratory, digestive and cardiovascular disorders,” wrote Iranian researchers in a 2025 review published in Pharmacological Research.
“This plant is recognized for its numerous bioactive compounds, with thymoquinone being among the most extensively investigated and considered to be responsible for a significant portion of its pharmacological effects.”
Drawing on its long-reputed broad spectrum of benefits—which have earned it descriptors such as “miracle herb” and “blessed seed” over the centuries, black seed oil is now positioned for a wide range of conditions in a global market projected to surpass $53 million by 2030.
Modern day cultivation and standardization of bioactives
Native to the eastern Mediterranean, northeastern Africa and southwestern Asia, the Nigella sativa plant is a cool-season annual crop that thrives in full sun.
While geography matters, quality is ultimately determined by traceability, extraction process and rigorous standardization of key bioactives, said Shaheen Majeed, global CEO and managing director of Sabinsa, which supplies the Nigellin-branded extract sourced from Nigella sativa primarily grown in India.
He explained that the seeds are processed using supercritical fluid extraction, a clean, solvent-free technology that preserves the integrity of the compounds and enables precise, reproducible thymoquinone standardization to a minimum of 5% and 20% thymoquinone. This process sits within a vertically integrated model that connects agricultural sourcing through finished extract.
Israel-based MediVega (NS Oils Ltd.) cultivates its Nigella sativa on a dedicated 500 to 1,000 hectares per season on the Kibbutz Sa’ad agricultural cooperative in the Negev desert. The oil is then extracted at its facilities near the growing fields where it is processed through low-temperature cold-press extraction to protect beneficial bioactives— namely thymoquinone, essential fatty acids and vitamins.
“Our process guarantees quality through full traceability, strict quality testing and preservation of the oil’s natural active profile, delivering a premium, consistent oil for the dietary supplement and functional health markets,” said Ariel Blidstein, CEO at NS Oils.
There are also sizeable cultivations in Egypt, Turkey, Saudi Arabia, Syria, Iran, Iraq, Yemen, Pakistan. Amazing Herbs, whose founders are recognized as pioneers in introducing black seed oil as supplement to the U.S. market in the 1990s, relies on an exclusive partnership with organic Turkish farms for its raw material, which is then cold-pressed at headquarters in Buford, GA.
“We have tested Nigella sativa seeds cultivated around the world, including India, Syria and Egypt. What we found is clear: Turkish-grown Nigella sativa produces a consistently remarkably potent oil—naturally rich in TQ and unmatched in purity," the company advertises.
ABC Market Report: Nigella sativa in the mainstream and natural channels
According to the latest American Botanical Council (ABC) Herb Market Report (2024), Nigella sativa ranked 38th top-selling herbal supplement ingredient in the U.S. mainstream channel, totally over $7.7 million in sales, up 7.7% from a year prior. In the natural expanded channel, it was the 19th top seller, down 2.2% year on year to $7.8 million in total sales. In 2022, the Botanical Adulterants Prevention Program (BAPP) published a bulletin highlighting adulteration of black seed oil with lower cost seed oils in the face of increased demand.
“Nigella is a relatively little-known but increasingly popular botanical in the Western medicinal herb and dietary supplement industry," Stefan Gafner, PhD, chief science officer of ABC and technical director of BAPP, said at the time. "As more human clinical studies are published to support its health benefits, particularly in the areas of glycemic control, improvement of lipid profiles and reduction of biomarkers of inflammation, nigella seed oil appears to be destined to become a more important ingredient in the coming years."
Traditional therapies as multifactorial
While evidence of use dates back millennia, it was not until 1963 that Egyptian pharmacologist M. El-Dakhakhny first isolated and identified thymoquinone and its polymer nigellone as the main bioactives responsible for black seed oil’s antioxidant, antimicrobial, anti-inflammatory and immunomodulatory properties.
El-Dakhakhny’s pioneering investigations paved the way for decades of intensive research that has culminated in thousands of published studies investigating thymoquinone’s potential benefits for cardiovascular, cognitive, immune, respiratory and skin health.
More recently, the 2025 review by the Iranian research team drew its conclusions from an examination of 82 randomized controlled trials, reporting that Nigella sativa significantly improves BMI, blood pressure and lipid profiles, reduces inflammatory markers and enhances glycemic control.
“The comprehensive analysis highlights N. sativa‘s multifaceted health benefits, with particular clinical relevance for patients with complex metabolic profiles,” the researchers wrote. “Notably, the supplementation demonstrated significant reductions in systolic and diastolic blood pressure, improvements in anthropometric measures, and positive modulations of inflammatory and oxidative stress markers.”
Industry also continues to contribute to furthering the science to substantiate black seed oil benefits for claims ranging from stress resilience to metabolic, blood pressure and respiratory health support.
TriNutra, which partnered with the Negev’s NS Oils for its Thymoquin-branded ingredient, has also explored the oil’s ability suppress pathogens in the microbiome while increasing the diversity of good or commensal bacteria.
“It basically balances the microbiome in both the gut and in the skin,” said Liki von Oppen-Bezalel, PhD, chief scientific officer and business development director at TriNutra. “It sounds almost like magic but focusing on mitochondrial functions together with anti-inflammatory, antioxidant, antimicrobial and the cortisol control gives the oil all of its benefits.”
Evaluating the impact of supplementation on marathon runners with compromised immune systems post race, psychonutritionist Shawn Talbott’s TriNutra-funded research reported that Thymoquin consumption increased levels of Streptococcus thermophilus, a bacteria associated with a stronger immune response.
“What we’re finding is that a lot of these traditional therapies are multifactorial,” Dr. Talbott said. “Teasing all those pieces out means sometimes you need to do different studies to home in on what’s happening at the microbiome level, what’s happening at the immune system level and what’s happening at the biochemistry level.”
De Materia Medica: Remedy for a wide range of ailments
In De Materia Medica, Greek pharmaco-botanist Dioscorides (40-90 CE) described the black seeds of a plant he called melanthion, now believed to be Nigella sativa. He recorded its use as a remedy for a wide range of ailments. According to Dioscorides, the seeds were used to treat breathing difficulties, headaches, toothaches, skin disorders, leprosy, cataracts and catarrh (buildup of thick mucus in the airways). Preparations included drinks, ointments, mouthwashes, nasal inhalants, and topical applications. He also noted uses for removing corns, expelling roundworms, stimulating menstruation and urination, and repelling snakes through fumigation.
- Adapted from ABC Herb Profile of Nigella sativa by Josef Brinckmann and Gayle Engels, Herbalgram, Issue 114, Summer 2017
‘Convergence of ancient wisdom and modern science’
Among brand owners and formulators, Sabinsa reports a strong uptake across metabolic health, immune support, respiratory wellness and personal care categories, while noting that consumers have increasingly come to expect clinical substantiation.
“What we are seeing is a meaningful shift: Consumers are not just gravitating toward black seed oil because it is trending,” Majeed said. “They are researching the ingredient, asking for clinical substantiation and choosing brands that can point to standardized, science-backed extracts.”
When Nigellin launched in 2018, it was accompanied by a study published in Frontiers in Pharmacology, which identified it as the most effective among 10 Nigella sativa extracts evaluated in vitro for anti-inflammatory and immunomodulatory activity.
“The extract demonstrated strong suppression of key cytokines and modulation of prostanoid pathways relevant to inflammatory and asthmatic conditions,” Majeed said. “Notably, it also enhanced PGE2 expression in human lung epithelial cell lines, suggesting a dual role that may support bronchodilatory effects. That research laid the biochemical foundation for everything that followed.”
Since then, another Sabinsa-sponsored study focused on the respiratory benefits of 15 days of Nigellin supplementation combined with the supplier’s BioPerine black pepper extract as bioavailability enhancer. Findings indicated a substantial reduction in the duration and severity of symptoms associated with seasonal allergic rhinitis.
And, like TriNutra, Sabinsa has expanded application potential through research into black seed oil’s ability to support benefits for body weight, BMI, waist circumference, fasting blood sugar, insulin resistance, blood pressure and LDL cholesterol in participants with metabolic syndrome.
“I think the most important thing to appreciate about Nigellin is that it represents the convergence of ancient wisdom and modern science at precisely the right moment in the market,” Majeed said. “The application breadth of this ingredient continues to grow, and we believe it mirrors the way traditional medicine always understood black cumin seed: not as a remedy for one condition, but as a comprehensive support for health.”
