- Standardized Extract
- 0.5% – 0.7% Parthenolide
Feverfew is an herb that has been traditionally used by European herbalists for centuries. More modern research indicates that its main bioactive compound is parthenolide. NOW® Feverfew is standardized to 0.5% – 0.7% Perthenolide per capsule.
Natural color variation may occur in this product.