Celery Seed Extract by Natural Factors $27.49 60 Vegetarian Capsules - $27.49 120 Vegetarian Capsules - $45.09 Size 60 Vegetarian Capsules 120 Vegetarian Capsules 1 2 3 4 5 6 7 8 9 10+ Quantity Quantity Add to cart Celery Seed Extract contains 85% 3-n-butylphthalide (3nB), a beneficial compound unique to celery providing natural support for the circulatory system.*