Heart Health
Celery Seed Extract
Also known as: Apium graveolens, 3nB
Traditional remedy for blood pressure containing 3-n-butylphthalide (3nB).
Last reviewed June 2026 · Evidence graded from peer-reviewed research, not editorial opinion. Educational only — not medical advice.
Primary uses
- Blood pressure
- Diuretic
- Uric acid
How it works
- Contains 3nB (vasodilator)
- Mild diuretic
- May reduce uric acid
Dosage
- Typical range
- 150-300mg extract daily
- Timing
- Any time
- With food
- Yes
- Duration
- 6+ weeks
- Special populations
- Blood pressure, gout
Forms
- Seed extract
Safety
Common side effects
- GI upset
- Skin sensitivity to sun
Contraindications
- Celery allergy
- Pregnancy
Evidence notes
Traditional BP remedy
Grade B: Some human trials support key claims; further confirmation needed.
Related in Heart Health
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Medical disclaimer. This page is educational and does not replace advice from a qualified healthcare provider. Individual needs and risks vary — consult a professional before starting, stopping, or combining supplements, especially if you are pregnant or nursing, taking medication, or managing a health condition.