Feverfew Extract 500 mg
Swanson Superior Herbs' Feverfew Extract 500 mg is a botanical supplement providing 500 mg of Feverfew extract per 1-capsule serving. This product has an N+ Score of 45, earning an 'F' grade, which indicates a below-average quality rating. While Feverfew is commonly used and studied, the N+ Score suggests that this particular formulation may not meet higher standards for potency, standardization, or optimal dosing. Individuals seeking a Feverfew supplement should consider this quality grade and compare the dosage to clinically relevant amounts for their intended use.
About This Product
Feverfew Extract 500 mg by Swanson Superior Herbs is a vitamins & minerals supplement containing 1 active ingredients. It has earned an N+ Score of 45/100 (Grade F).
N+ Score Breakdown
Are key ingredients present at clinically effective doses based on research?
Does the product include all expected ingredients for its supplement category?
Are individual ingredient amounts clearly disclosed without proprietary blends?
Does the formula include a breadth of beneficial compounds from multiple pathways?
Strengths
- +Fully transparent label with individual ingredient amounts disclosed
Weaknesses
- −Missing several expected ingredients for its category
- −Limited ingredient diversity compared to category norms
Ingredient Analysis (1 ingredients)
| Ingredient | Amount | Dose Adequacy |
|---|---|---|
| Feverfew extract | 500.000 mg | N/A |
Clinical ranges based on NIH ODS Fact Sheets and peer-reviewed research. Status indicates whether the amount meets evidence-based thresholds.
