Black Seed Oil (Nigella sativa) vs Glucoraphanin (Broccoli Seed Extract)

Side-by-side comparison of mechanisms, dosing, interactions, and stacking potential.

Black Seed Oil (Nigella sativa)Glucoraphanin (Broccoli Seed Extract)
CategorySupplementsSupplements
Standard Dose
Timing
Cycle Duration
Evidence LevelModerateModerate-Strong

Mechanism

Contains thymoquinone as active compound. Anti-inflammatory via NF-kB inhibition, immunomodulatory, hepatoprotective. Improves blood sugar regulation via AMPK activation. Supports respiratory health and has antimicrobial properties.

Contraindications

  • Pregnancy (uterotonic)
  • Pre-surgery (bleeding risk)

Mechanism

Stable precursor to sulforaphane. Requires myrosinase enzyme (from gut bacteria or co-administered) for conversion. Provides sustained sulforaphane release compared to direct supplementation. Activates Nrf2 pathway for antioxidant and detoxification gene expression.

Contraindications

  • Thyroid conditions (goitrogen at very high doses)

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