This idea isn't just a hypothetical or people's anecdotal experience either, it's backed up by science: https://health.clevelandclinic.org/celery-may-help-bring-your-high-blood-pressure-down
This idea isn't just a hypothetical or people's anecdotal experience either, it's backed up by science: https://health.clevelandclinic.org/celery-may-help-bring-your-high-blood-pressure-down