Thymoquinone: The Key Compound in Black Seed Oil
A summary of the research on thymoquinone, black seed oil's main bioactive compound.

Key takeaways
- Thymoquinone is the most studied compound in Nigella sativa.
- Most evidence is preclinical.
- Content varies widely between oils.
What is thymoquinone?

Thymoquinone (TQ) is a compound found in the volatile oil of Nigella sativa seeds.[1]
What the research shows
Reviews describe antioxidant, anti-inflammatory and other activities, largely in cell and animal studies.[1][2]
Limitations
Human trials using standardised thymoquinone doses remain limited.
The bottom line
Thymoquinone is a promising compound, but most findings still need confirmation in human trials.
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Sources
- Darakhshan S, Bidmeshki Pour A, Hosseinzadeh Colagar A, Sisakhtnezhad S. Thymoquinone and its therapeutic potentials. Pharmacol Res. 2015;95-96:138-158.
- Ahmad A, Husain A, Mujeeb M, et al. A review on therapeutic potential of Nigella sativa: A miracle herb. Asian Pac J Trop Biomed. 2013;3(5):337-352.