Feverfew Extract 500 mg
100/100
This product looks safe
- No ingredients exceed tolerable upper intake levels
- Limited research evidence available for ingredients
B
Label Compliance Grade
Label
Product Label
Details
Label Data
1 Capsule(s)
Serving Size
Botanical
Product Type
0%
Evidence Coverage
Ingredients
Supplement Facts — Evidence Check
500 mg
Market median: 380.0mg (120 products)
8 studies — no high-quality reviews
Other Ingredients
Gelatin
Maltodextrin
Rice Flour
Calcium Palmitate
Claims
Label Claims — Verification
Unverified
All Other
Info
Product Information
Directions for Use
Suggested Use: As a dietary supplement, take one capsule per day with water.
Warnings & Precautions
Do not use if seal is broken.
Keep out of reach of children.
Warning: Do not take this product if you are pregnant or nursing.
Discontinue use if you experience oral discomfort or skin irritation.
Formulation Notes
Minimum 0.5% Parthenolides
Additional Information
Guaranteed purity & potency
Store in a cool, dry place.
To reorder, call toll free 1-800-437-4148 or visit our website at www.swansonvitamins.com
SWH267 Rev 1 12 04 17
Metadata
Product Details
UPC / SKU0 87614 14267 8
DSLD Entry Date2018-04-25
Product TypeBotanical
FormCapsule
DSLD ID176445
Data Updated2026-04-11
Research
Research Evidence
10
Research Sources
48
Avg Quality
4
Systematic Review
4
Rct
1
Meta Analysis
1
Cochrane Review
B
Feverfew for preventing migraine.
C
Feverfew for preventing migraine
C
Feverfew for preventing migraine
C
Randomised double-blind placebo-controlled trial of feverfew in migraine prevention
C
Feverfew for migraine prophylaxis: a systematic review
C
Tanacetum parthenium and Salix alba (Mig-RL) combination in migraine prophylaxis: a prospective, open-label study
C
The combined effect of acupuncture and Tanacetum parthenium on quality of life in women with headache: randomised study
C
A combination of riboflavin, magnesium, and feverfew for migraine prophylaxis: a randomized trial
C
Feverfew as a preventive treatment for migraine: a systematic review
D
Efficacy of feverfew as prophylactic treatment of migraine
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This product page is for informational purposes only and does not constitute medical advice. Always consult your healthcare provider before taking any supplement.