Herb
Black cumin
SaveNigella sativa seed is used for immune, metabolic, and inflammatory support, with thymoquinone as a major active compound.
Quick verdict
One of the stronger traditional herbs for broad metabolic and inflammatory support, though the data is still medium strength rather than definitive.
Evidence score
A rough internal score reflecting quantity, quality, and consistency of human evidence. Not a clinical recommendation.
What the research shows
Meta-analyses suggest modest improvements in glucose, lipids, inflammatory markers, and allergic symptoms. Effects vary by oil vs seed powder and dose.
Benefits
- May modestly improve glycemic markers
- Shows anti-inflammatory and antioxidant activity
- Has some support for allergy and immune symptoms
Dosage notes
Typical dosing is 1-3 g/day of seed powder or 500-1000 mg/day of oil.
Side effects
- Reflux
- GI irritation
- Possible excessive lowering of glucose or blood pressure
Who should be cautious
Can lower blood glucose and blood pressure slightly, so people on medication should monitor response. Concentrated oil may irritate the stomach.
What this page cannot tell you
Most human studies are small, short, or use standardized extracts rather than the raw herb.
Leaderboard scores
- Immunity40
- Pain25
- Longevity25
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