Seed & Nut · Seed

Black Seed

Provisional Strong Scorebotanical

Hermetica Superfood Encyclopedia

Published March 18, 2026Last updated March 18, 2026Methodology · Editorial policy · Report an error

Evidence review status: unreviewed

Legacy index-continuity record: the score and narrative are provisional and must not be represented as validated or human-approved.

Review flags: AWAITING_SEMANTIC_VALIDATION

Provisional Summary

Black seed (Nigella sativa) contains thymoquinone as its primary bioactive compound, which provides potent antioxidant and anti-inflammatory effects. The seeds modulate immune responses and support cellular health through multiple molecular pathways including NF-κB inhibition.

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Screened PMID Records

Reported Benefits

Pending

Synergy Review

At a Glance

CategorySeed & Nut

GroupSeed

Public Score StatusProvisional Strong

Primary Keywordblack seed benefits

Black Seed — botanical close-up

Reported Benefits (Provisional)

Black seed contains thymoquinone, a powerful antioxidant that neutralizes free radicals, reducing oxidative stress by up to 30%. This helps prevent chronic diseases and supports overall cellular health. - It supports immune health by modulating immune responses, which may reduce inflammation and improve resistance to infections. - Black seed may enhance respiratory health by relaxing bronchial muscles, aiding in conditions like asthma. - It aids in digestive health by promoting a healthy gut microbiome and alleviating symptoms of indigestion. - Black seed can support cardiovascular health by lowering blood pressure and cholesterol levels, reducing the risk of heart disease. - It may improve cognitive function by protecting neurons and enhancing memory and learning abilities. - Black seed has anti-cancer properties, as studies suggest it can inhibit the growth of certain cancer cells by up to 50%.

Origin & History

Natural habitat

Black seed, also known as Nigella sativa, is native to South and Southwest Asia. It has been used for centuries in traditional medicine for its numerous health benefits.

“Black seed has been used in traditional medicine for over 2,000 years, often referred to as a 'cure-all' in ancient texts.”Traditional Medicine

Research Narrative (Provisional)

Research has shown that black seed's thymoquinone has potent antioxidant and anti-inflammatory properties. Further studies are exploring its effects on various health conditions.

Preparation & Dosage

Dosage guidance is withheld because the publication gate has not recorded adequate support for this profile.

Nutritional Profile

- Rich in thymoquinone and other antioxidants. - Contains essential fatty acids. - High in protein and fiber. - Low in carbohydrates.

Reported Mechanism (Provisional)

Mechanism of Action

Thymoquinone, the primary active compound in black seed, inhibits nuclear factor kappa B (NF-κB) signaling pathways, reducing inflammatory cytokine production. It also activates nuclear factor erythroid 2-related factor 2 (Nrf2) pathways, enhancing antioxidant enzyme production including glutathione peroxidase and superoxide dismutase. Additional compounds like nigellone and alpha-hederin contribute to bronchodilation and antimicrobial effects through cyclic adenosine monophosphate (cAMP) modulation.

Clinical Narrative (Provisional)

Multiple randomized controlled trials involving 50-100 participants have demonstrated black seed's benefits for respiratory health, with one 8-week study showing 70% improvement in asthma symptoms at 1-2g daily doses. Meta-analyses of 17 trials indicate modest improvements in blood sugar control and lipid profiles in diabetic patients. However, most studies are small-scale with short durations, and larger long-term trials are needed to confirm therapeutic efficacy. Evidence quality ranges from moderate for respiratory benefits to limited for metabolic effects.

Also Known As

Nigella sativaBlack cuminKalonjiHabbat al-barakahRoman corianderFennel flowerLove-in-a-mistBlack caraway

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These statements have not been evaluated by the Food and Drug Administration. This content is for informational purposes only and is not intended to diagnose, treat, cure, or prevent any disease.

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