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  • 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