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Celery Seed Powder

Also known as: Apium graveolens, celery seed extract, wild celery seed

Evidence under review. — Not yet rated

Traditional herb used for joint comfort and blood pressure, but clinical evidence is very limited.

  • What it does

    Celery seed powder comes from the dried seeds of the celery plant (Apium graveolens) and has a long history in traditional medicine. It contains compounds called phthalides and flavonoids, which...

  • Evidence quality

    Evidence base hasn't been formally rated yet. See research below.

  • Clinical dose

    No established dose

What the Science Says

Celery seed powder comes from the dried seeds of the celery plant (Apium graveolens) and has a long history in traditional medicine. It contains compounds called phthalides and flavonoids, which are thought to support healthy blood pressure and reduce inflammation. Most of what we know comes from animal studies and traditional use — there are no well-designed human clinical trials in the available research to confirm these effects.

What It Doesn't Do

Not proven to treat gout or arthritis in humans. No clinical evidence it meaningfully lowers blood pressure on its own. Won't detox your kidneys despite common marketing claims. Not a substitute for prescribed medications.

Evidence-Based Benefits

Traditionally used to support healthy blood pressure, though human clinical evidence is lacking.

Weak Evidence

Effective at: No established dose

May help reduce joint discomfort based on traditional use and preliminary animal research.

Weak Evidence

Effective at: No established dose

Absorption & Bioavailability

Unknown — no human pharmacokinetic studies available in the provided data.

Red Flags to Watch For

  • May interact with blood pressure medications and blood thinners — consult a doctor before use
  • Can cause allergic reactions, especially in people allergic to birch pollen or other Apiaceae family plants (carrots, parsley)
  • May increase photosensitivity — avoid prolonged sun exposure while taking it
  • Should be avoided during pregnancy as it may stimulate uterine contractions
  • No standardized dosing exists — product potency varies widely across the 1,000+ registered supplements

Research Sources

  • General knowledge — limited published research available

This information is for educational purposes only and is not medical advice. Always consult a healthcare professional before starting any supplement regimen. Last updated: 2026-05-25