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Botanical

Celery seed extract

Celery seed extract comes from the seeds of celery (Apium graveolens). It contains 3-n-butylphthalide, a plant compound studied for blood pressure.

Also listed as Apium graveolens, Celery, Celery Seed

CardiovascularOrgan FunctionBone & JointGut Health

What it is studied for

The strongest rated effects first. Bars show the size of the effect, the letter grades the evidence, and each rating lists the studies behind it.

Blood pressureCardiovascularModerateBNo linked study
Kidney HealthOrgan FunctionSmallCNo linked study
Joint ComfortBone & JointSmallCNo linked study
Gut healthSmallCNo linked study
Cholesterol balanceCardiovascularSmallCNo linked study
InflammationSmallCNo linked study
All 8 rated effectsGrouped by health goal, with the publications behind each rating

What is being studied?

Celery seed extract comes from Apium graveolens. Researchers have studied preparations containing 3-n-butylphthalide, a plant compound, for high blood pressure. 1

Why people take it

Immune Support18.1%
Essential Health17.9%
Detox13.3%
Energy10.8%
Gut Health8.8%
Bone & Joint7.3%

SuppCo community snapshot, 2026-09-28. Reasons for use are not evidence that it works.

Questions people ask

Can it replace blood-pressure medication?

No replacement strategy was tested; the safety trial added extract to usual medication. 2

Does it improve insulin sensitivity?

The small metabolic-syndrome trial found no statistically significant change. That result does not settle every population or preparation. 3

Is a plant extract automatically allergy-safe?

No. Celery and celery-derived ingredients fall under EU allergen-labeling rules. 4

Is it safe during pregnancy?

These hypertension data do not establish pregnancy safety. 2

Sources