Celery Seed Extract 150mg Capsules contain 3-n-butylphthalide (NBP), the active compound in celery seeds. NBP supports healthy blood pressure, uric acid balance, and cardiovascular wellness. Each capsule is standardized for consistent NBP content for reliable results. Celery Seed has been used in traditional wellness practices for circulatory health for centuries. A gentle and natural supplement for blood pressure and cardiovascular wellness.