Feverfew Extract is standardized to 0.7% parthenolide.
Parthenolide is the herb's key active which has been clinically studied.
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Feverfew Extract is standardized to 0.7% parthenolide.
Parthenolide is the herb's key active which has been clinically studied.
| Amount Per Serving | % Daily Value | |
| Feverfew (leaf) | 325 mg | * |
| Feverfew Extract (leaf) 0.7% parthenolide | 90 mg | * |