General Dosage
1-3g black seed oil daily, preferably standardized to ≥2% thymoquinone
Maximum dose: Up to 3g/day oil has been used safely in clinical trials; avoid exceeding 5g/day
Black Seed Oil Dosage Guide
This content is for informational purposes only and does not constitute medical advice. Consult your healthcare provider before starting any supplement. Full disclaimer
Dosage Recommendations
General recommendation: 1-3g black seed oil daily, preferably standardized to ≥2% thymoquinone
Timing: Take with meals; can be divided into 2-3 doses throughout the day • Take with food for best absorption.
Dosage by Condition
| Condition | Recommended Dose | Evidence |
|---|---|---|
| General anti-inflammatory | 1-2g oil daily | Moderate |
| Metabolic syndrome / diabetes | 2-3g oil daily | Moderate |
| Allergic rhinitis | 2g oil daily or nasal application | Emerging |
Upper limit: Up to 3g/day oil has been used safely in clinical trials; avoid exceeding 5g/day
Timing & Absorption
Take with meals; can be divided into 2-3 doses throughout the day
Best taken with food for optimal absorption.
References
- Mousavi SM, Sheikhi A, Varkaneh HK, et al. (2018). Effect of Nigella sativa supplementation on obesity indices: a systematic review and meta-analysis of randomized controlled trials. Complementary Therapies in Medicine. DOI PubMed
- Daryabeygi-Khotbehsara R, Golzarand M, Ghaffari MP, Djafarian K (2017). Nigella sativa improves glucose homeostasis and serum lipids in type 2 diabetes: a systematic review and meta-analysis. Complementary Therapies in Medicine. DOI PubMed
- Ahmad A, Husain A, Mujeeb M, et al. (2013). A review on therapeutic potential of Nigella sativa: a miracle herb. Asian Pacific Journal of Tropical Biomedicine. DOI PubMed