Journal

Black Cumin

July 2, 2026 · Omnia Sana

Nigella sativa

Family: Ranunculaceae · Parts used: Seed · Also known as: Black Seed, Black Caraway, Kalonji, Roman Coriander, Habbatul Barakah

Key actions

Analgesic (pain relief)Anti-inflammatoryAnticancer (preclinical)Antidiabetic (blood-sugar lowering)AntimicrobialAntioxidantDigestive aidGastroprotectiveImmunomodulator / immune support

Traditional & clinical uses, by strength of evidence

Acid refluxModerate
Arthritis / joint painModerate
Back painModerate
BloatingModerate
Blood sugar / diabetes supportModerate
Cold & fluModerate
HeadacheModerate
Immune supportModerate
IndigestionModerate
Infection (general)Moderate
Inflammation (general)Moderate
Metabolic supportModerate
Pain (general)Moderate
Respiratory supportModerate
Skin irritationModerate
WoundsModerate

Selected studies & references

ReviewA Comprehensive Review of the Antioxidant, Antimicrobial, and Therapeutic Efficacies of Black Cumin (Nigella sativa L.) Seed Oil and Its Thymoquinone (2025)

ReviewAntihypertensive effects of Nigella sativa supplementation: an updated systematic review and meta-analysis of randomized controlled trials (2023)

ReviewMechanism of the antidiabetic action of Nigella sativa and Thymoquinone: a review (2023)

ReviewNigella sativa supplementation improves cardiometabolic indicators in population with prediabetes and type 2 diabetes mellitus: A systematic review and meta-analysis of randomized controlled trials (2022)

ReviewBlack Cumin (Nigella sativa L.): A Comprehensive Review on Phytochemistry, Health Benefits, Molecular Pharmacology, and Safety (2021)

ReviewEffectiveness of Medicinal Plants for Glycaemic Control in Type 2 Diabetes: An Overview of Meta-Analyses of Clinical Trials (2021)

ReviewNigella sativa improves glucose homeostasis and serum lipids in type 2 diabetes: a systematic review and meta-analysis (2017)

ReviewA systematic review and meta-analysis of randomized controlled trials investigating the effects of supplementation with Nigella sativa (black seed) on blood pressure (2016)

All 23 studies in the Knowledge Finder →

Educational use only. This profile summarises traditional and scientific sources for reference. It is not medical advice and not a substitute for a qualified practitioner. Some plants carry safety cautions and drug interactions — always check before use.

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