Natural Factors Celery Seed Extract delivers a highly concentrated, standardised source of 3-n-butylphthalide (3nB) — the key active compound naturally found in celery seed. Each vegetarian capsule provides 75 mg of Apium graveolens seed extract, standardised to 85% total phthalides (63.75 mg per capsule), offering a consistent and reliable potency with every serving.

Celery seed (Apium graveolens) has a long history of use in traditional herbal practice. This concentrated extract format allows for a precise and convenient intake of phthalides in a clean, plant-based capsule — free from dairy, gluten, soy, yeast, and artificial additives.

Manufactured by Natural Factors, a trusted Canadian supplement brand with decades of commitment to quality, purity, and rigorous testing. Each batch is produced to high standards, with no GMOs and no unnecessary fillers, making this product suitable for vegan and vegetarian lifestyles.