Health benefits of celery seed. celery seed are seeds taken from the celery plant. they�ve been utilized for therapeutic reasons for hundreds of years in many parts of the world, though they remain relatively recent to western cultures.. Celery seed extracts have anti-hypertensive properties that help lower high blood pressure, one of the important risk factors for coronary heart disease, which is the largest cause of mortality in industrial countries. benefits of celery seeds include potentially helping control chronic elevated blood pressure levels.. �
