Last verified: today
Cumin Seed
Also known as: Cuminum cyminum, black cumin, Nigella sativa, jeera, cumin seed oil
Evidence under review. — Not yet rated
Traditional spice with antimicrobial and anti-inflammatory properties; human clinical evidence is very limited.
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What it does
Cumin seed comes from the Cuminum cyminum plant and has been used as a spice and traditional remedy for centuries. Its essential oil contains active compounds like cuminaldehyde, which show...
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Evidence quality
Evidence base hasn't been formally rated yet. See research below.
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Clinical dose
No established dose for humans based on provided studies
What the Science Says
Cumin seed comes from the Cuminum cyminum plant and has been used as a spice and traditional remedy for centuries. Its essential oil contains active compounds like cuminaldehyde, which show antimicrobial activity in lab and food-preservation studies. One small human trial found that topical black cumin seed oil massage reduced pain and fatigue in elderly knee osteoarthritis patients over 6 weeks, though it's unclear how much of the benefit came from the massage itself versus the oil.
What It Doesn't Do
No human evidence it boosts weight loss. No proof it detoxifies your body. Animal growth studies don't translate to human muscle or performance benefits. Lab antimicrobial results don't mean it fights infections inside your body. No clinical data supporting cancer treatment claims.
Evidence-Based Benefits
Topical black cumin seed oil massage reduced knee pain and fatigue in elderly osteoarthritis patients over 6 weeks.
Weak EvidenceEffective at: Topical application; specific volume not standardized in study
Supporting studies (click to view on PubMed):
Cumin seed essential oil inhibits bacterial and fungal growth in laboratory and food-preservation settings.
Weak EvidenceEffective at: No established human dose; MIC 0.39–1.56 mg/mL in lab studies
Supporting studies (click to view on PubMed):
Cumin seed essential oil increased food intake in mice, with cuminaldehyde identified as a key active compound.
Weak EvidenceEffective at: No human dose established
Supporting studies (click to view on PubMed):
Absorption & Bioavailability
Unknown — no human pharmacokinetic data in the provided studies; topical and dietary forms studied separately with no absorption measurements reported.
Red Flags to Watch For
- A case report links Nigella sativa (black cumin) supplement ingestion to a severe bullous skin reaction mimicking Stevens-Johnson syndrome — a potentially life-threatening condition.
- Most positive evidence comes from animal (poultry) studies, which do not reliably predict effects in humans.
- The human RCT tested topical massage with cumin oil — results cannot be applied to oral supplements sold in capsule form.
- Products labeled 'cumin seed' may contain Cuminum cyminum or Nigella sativa (black cumin) — these are different plants with different safety profiles; check labels carefully.
- No standardized human dose has been established from the available clinical evidence.
Products Containing Cumin Seed
See how Cumin Seed is used in these analyzed products:
Frequently Asked Questions
What does Cumin Seed do?
Traditional spice with antimicrobial and anti-inflammatory properties; human clinical evidence is very limited.
What is the effective dose of Cumin Seed?
No established dose for humans based on provided studies
Is Cumin Seed safe?
A case report links Nigella sativa (black cumin) supplement ingestion to a severe bullous skin reaction mimicking Stevens-Johnson syndrome — a potentially life-threatening condition.
What doesn't Cumin Seed do?
No human evidence it boosts weight loss.
Research Sources
- PubMed
- NIH DSLD
This information is for educational purposes only and is not medical advice. Always consult a healthcare professional before starting any supplement regimen. Last updated: 2026-09-24