Black Seed Oil (Nigella sativa) vs Glycine + NAC (GlyNAC)

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

Black Seed Oil (Nigella sativa)Glycine + NAC (GlyNAC)
CategorySupplementsSupplements
Standard Dose
Timing
Cycle Duration
Evidence LevelModerateStrong

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

Combination that restores glutathione synthesis. Age-related glutathione deficiency is driven by glycine and cysteine precursor depletion, not enzyme dysfunction. GlyNAC corrects oxidative stress, mitochondrial dysfunction, inflammation, and insulin resistance in older adults.

Contraindications

  • Active stomach ulcer (NAC)
  • Asthma (NAC may cause bronchospasm in rare cases)

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