Black Seed Oil

Also known as: nigella sativa, black cumin seed oil, kalonji, thymoquinone

Grade B — Moderate Evidencebotanicalanti-inflammatoryimmune
10003000 mgWith meals, split AM/PM

Black seed oil (Nigella sativa) contains thymoquinone as its primary bioactive compound, which modulates NF-κB, AMPK, and multiple inflammatory pathways. Clinical trials demonstrate benefits for blood sugar regulation, blood pressure reduction, lipid profiles, and immune modulation. It has one of the broadest evidence bases of any traditional remedy, with over 1,000 published studies spanning metabolic, immune, and anti-inflammatory applications.

TL;DR: Widely studied traditional remedy with strong anti-inflammatory properties from thymoquinone. Evidence for metabolic health, immune modulation, and gut health. Oil form preferred for absorption.

Last reviewed: 2026-03-12

Quick Facts

Evidence

Grade B

Studies

2

Interactions

2

Forms

1

Evidence Rating: Grade B — Moderate Evidence

Some RCTs with positive results, or strong observational evidence. More research may refine our understanding.

Interaction Warnings

Blood thinnersModerate

May have antiplatelet effects — use caution with warfarin or aspirin.

Diabetes medicationsModerate

May lower blood sugar — monitor glucose closely.

Important Notes

  • Start low (1g) to assess tolerance
  • Oil form has better bioavailability than seed powder
  • Avoid in pregnancy at therapeutic doses

Clinical Evidence (2 studies)

Nigella sativa: a comprehensive review of clinical trials

Tavakkoli A et al. (2017) — Phytother Res

Thymoquinone demonstrated anti-inflammatory, antioxidant, and immunomodulatory effects across 50+ clinical trials

View on PubMed

Nigella sativa supplementation on metabolic profiles

Daryabeygi-Khotbehsara R et al. (2017) — Complement Ther Med

Black seed oil supplementation significantly reduced fasting blood glucose, total cholesterol, LDL, and triglycerides

View on PubMed

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⚕️ Important Disclaimer

This information is for educational purposes only. It is not medical advice. Always consult a healthcare provider before starting any supplement regimen, especially if you take medications or have health conditions.

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