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๐Ÿ–ค Black Seed / Nigella (Nigella sativa)

Monograph ยท Reviewed August 2026
PH
Herbal Monograph Team ยท Botanical evidence reviewers
๐Ÿ“ Last reviewed: August 2026
โœ” Transparent sourcing ยท Some articles are AI-drafted, then reviewed & fact-checked by our team

In short: Black Seed / Nigella (Nigella sativa) contains Thymoquinone, nigellone, essential oils and is traditionally used for allergy & asthma support, immunity tradition, skin & hair care. Growing โ€” promising studies for allergic rhinitis and asthma control; larger trials needed. It is not a treatment for any condition โ€” this page is general wellness information, not medical advice.

Active compoundsThymoquinone, nigellone, essential oils
Common usesAllergy & asthma support, Immunity tradition, Skin & hair care
PreparationOil 1 tsp/day, or ground seeds 1-2g/day, or capsules 500mg twice daily.
Safety dosageOil 2-5ml/day; seeds 1-2g/day in food.
Evidence rating: Growing โ€” promising studies for allergic rhinitis and asthma control; larger trials needed.
โš ๏ธ Contraindications & interactions: High doses may harm the liver or interact with blood pressure/diabetes drugs; avoid in pregnancy (may affect the uterus); stop before surgery.

โ“ Questions about Black Seed / Nigella (Nigella sativa)

What is Black Seed / Nigella (Nigella sativa) used for? It is traditionally used for allergy & asthma support, immunity tradition, skin & hair care. Traditional use is not the same as proven treatment.

How is Black Seed / Nigella (Nigella sativa) prepared? Oil 1 tsp/day, or ground seeds 1-2g/day, or capsules 500mg twice daily.

What is a safe dose of Black Seed / Nigella (Nigella sativa)? Oil 2-5ml/day; seeds 1-2g/day in food.

What does the evidence say about Black Seed / Nigella (Nigella sativa)? Growing โ€” promising studies for allergic rhinitis and asthma control; larger trials needed.

Who should avoid Black Seed / Nigella (Nigella sativa)? High doses may harm the liver or interact with blood pressure/diabetes drugs; avoid in pregnancy (may affect the uterus); stop before surgery.

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