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Supplements/Fatty Acid

Black Seed Oil (Nigella sativa)

Thymoquinone for immune and metabolic health.

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Overview

Thymoquinone for immune and metabolic health.

Natural sources
  • Endogenously produced or biosynthesized molecule
  • Standardized pharmaceutical- or food-grade supplement
  • Combined with cofactors that improve absorption or activity
Common forms
  • Capsule or softgel
  • Powder
  • Sublingual or buccal
  • Liposomal liquid

Mechanism of action

Thymoquinone is antioxidant and anti-inflammatory.

Pathways
  • · Thymoquinone is antioxidant
  • · anti-inflammatory

Effects on the body

Supports
glucose and lipids

Organ system effects

Immune System

Black Seed Oil (Nigella sativa) modulates innate and adaptive immune responses, including cytokine signaling and barrier function.

Cardiovascular

Black Seed Oil (Nigella sativa) supports endothelial function, lipid profile, or blood-pressure regulation in cardiovascular trials.

Evidence-based benefits

Improves glucose and lipids

Moderate evidence

Potential side effects

Common
  • · GI upset
Rare
    Serious

      Drug interactions

      Prescription medications (general)
      Always disclose Black Seed Oil (Nigella sativa) use to your prescriber — additive, antagonistic, or pharmacokinetic interactions are possible.
      minor

      Safety & non-supplemental interactions

      Educational summary — always confirm with your clinician or pharmacist before starting, stopping, or combining with prescription therapy.

      Avoid with these conditions
      • ·Autoimmune disease (theoretical immune activation)
      Avoid / monitor with these medications
      • ·Immunosuppressants

      Supplement interactions

      Pairs well with
      • Vitamin D3 + K2
        Foundational immune modulation.
      • Zinc
        Required cofactor for innate and adaptive immune function.
      • Omega-3
        Anti-inflammatory cardiovascular synergy.
      Avoid combining with

      No specific avoidances listed.

      Dosing & bioavailability

      Typical dose
      1–3 g
      Best form
      Most evidence is based on the capsule or softgel form.
      Timing
      Consistent daily timing recommended; split larger doses if GI tolerance is a concern.
      With food?
      Either with or without food.

      Where to buy

      Affiliate links — we may earn a commission at no extra cost to you. Amazon code supplementsch-20 is auto-applied at checkout. We don't endorse specific brands; verify third-party testing (USP, NSF, Informed Sport) before purchase.

      Scientific evidence8Show studies
      Meta-analysisPharmacol Res · 2016

      Nigella sativa meta-analysis

      Sahebkar A, et al.

      17 RCTs

      Key findings

      Improved glycemic and lipid profiles.

      Open study
      Systematic reviewPubMed (NLM) · 1970

      PubMed: Black Seed Oil (Nigella sativa) — Improves glucose and lipids

      Live PubMed search

      Live results for "Black Seed Oil (Nigella sativa) Improves glucose and lipids" across the PubMed/MEDLINE peer-reviewed index.

      Key findings

      Opens current human and preclinical literature matching Black Seed Oil (Nigella sativa) and "Improves glucose and lipids". Filter by RCT, meta-analysis, or year on the results page.

      Open study
      Systematic reviewPubMed (NLM) · 1970

      PubMed: Black Seed Oil (Nigella sativa) — randomized controlled trial

      Live PubMed search

      Live results for "Black Seed Oil (Nigella sativa) randomized controlled trial" across the PubMed/MEDLINE peer-reviewed index.

      Key findings

      Opens current human and preclinical literature matching Black Seed Oil (Nigella sativa) and "randomized controlled trial". Filter by RCT, meta-analysis, or year on the results page.

      Open study
      Systematic reviewPubMed (NLM) · 1970

      PubMed: Black Seed Oil (Nigella sativa) — meta-analysis

      Live PubMed search

      Live results for "Black Seed Oil (Nigella sativa) meta-analysis" across the PubMed/MEDLINE peer-reviewed index.

      Key findings

      Opens current human and preclinical literature matching Black Seed Oil (Nigella sativa) and "meta-analysis". Filter by RCT, meta-analysis, or year on the results page.

      Open study
      Systematic reviewPubMed (NLM) · 1970

      PubMed: Black Seed Oil (Nigella sativa) — pharmacokinetics

      Live PubMed search

      Live results for "Black Seed Oil (Nigella sativa) pharmacokinetics" across the PubMed/MEDLINE peer-reviewed index.

      Key findings

      Opens current human and preclinical literature matching Black Seed Oil (Nigella sativa) and "pharmacokinetics". Filter by RCT, meta-analysis, or year on the results page.

      Open study
      Systematic reviewPubMed (NLM) · 1970

      PubMed: Black Seed Oil (Nigella sativa) — safety adverse events

      Live PubMed search

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      Key findings

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      Open study
      Systematic reviewPubMed (NLM) · 1970

      PubMed: Black Seed Oil (Nigella sativa) — dose response

      Live PubMed search

      Live results for "Black Seed Oil (Nigella sativa) dose response" across the PubMed/MEDLINE peer-reviewed index.

      Key findings

      Opens current human and preclinical literature matching Black Seed Oil (Nigella sativa) and "dose response". Filter by RCT, meta-analysis, or year on the results page.

      Open study
      Systematic reviewGoogle Scholar · 1970

      Google Scholar: Black Seed Oil (Nigella sativa) — clinical evidence

      Live Scholar search

      Cross-database citation index for Black Seed Oil (Nigella sativa) as it relates to "clinical evidence".

      Key findings

      Includes preprints, theses, and journal articles. Useful for tracking citation counts and follow-on work.

      Open study
      Educational use only. This profile is not medical advice. Consult a qualified healthcare professional before starting any supplement, especially if you take prescription medication or have a chronic condition.

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