About the product
- STANDARDIZED EXTRACT: Feverfew is standardized to 0.5% - 0.7% perthenolide per capsule
- 0.5% - 0.7% PARTHENOLIDE: Modern research indicates that feverfew\'s main bioactive compound is parthenolide
- HERBAL SUPPLEMENT: Feverfew is an herb that has been traditionally used by European herbalists for centuries
- GMP Quality Assured: NPA A-rated GMP certification means that every aspect of the NOW manufacturing process has been examined, including our laboratory/testing methods (for stability, potency, and product formulation)
- Packaged in the USA by a family owned and operated company since 1968
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