🟢 100/100

This product looks safe

  • No ingredients exceed tolerable upper intake levels
  • Limited research evidence available for ingredients
B Label Compliance Grade

Product Label

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Label Data

1 Vegetable Capsule(s) Serving Size
Botanical Product Type
0% Evidence Coverage

Supplement Facts — Evidence Check

📊 Market median: 380.0mg (120 products) 📚 8 studies — no high-quality reviews
This product: 200mg
📊 Market median: 380.0mg (120 products) 📚 8 studies — no high-quality reviews
This product: 150mg

Other Ingredients

Vegetable Cellulose Vegetable Magnesium Stearate PhytO2X Antioxidant Blend

Label Claims — Verification

All Other
All Other (99% of products) Structure/Function (67% of products)

Target Groups

Vegetarian Adult (18 - 50 Years) Kosher Gluten Free Dairy Free Sugar Free

Product Information

📋 Directions for Use

Suggested Use: As an herbal dietary supplement for adults, take one (1) vegetable capsule, up to three (3) times daily, preferably at mealtime, or as directed by a healthcare practitioner.

⚠️ Warnings & Precautions

Do not use if outer bottle seal is missing, torn or damaged in any way.

If you are pregnant, nursing, taking any medication or have a medical condition, please consult your healthcare practitioner before taking any dietary supplement.

Keep out of reach of children.

🧪 Formulation Notes

Solgar's Full Potency (SFP) Herbs are developed through a unique process that integrates the ideologies of both traditional herbalism and standardized herbal technology.

To ensure consistent and reliable phytonutrient levels, we isolate a controlled amount of these important active plant compounds. Then, we blend these enhanced, "standardized" compounds with all of the components that occur naturally in the whole raw herb. The result is a potent, premium-quality standardized herbal extract with all of the synergistic and beneficial qualities found in nature.

Solgar's Feverfew Leaf Extract Vegetable Capsules are free of sugar, salt, corn, yeast, wheat, soy, gluten, dairy and animal products and are formulated without the use of artificial preservatives, flavors or colors.

PHYTO2X SYSTEM

Standardized Full potency

(Tanacetum parthenium)

Suitable for vegetarians

PhytO2X is a special blend of antioxidants, the purpose of which is to maintain the freshness of the ingredients.

Solgar's KOF-K certification #K-1250

Additional Information

To assure freshness and potency, store at room temperature 59 degrees-86 degrees F (15 degrees-30 degrees C). Store away from heat, light and moisture.

Solgar since 1947

K Parve (Kosher)

Product Details

UPC / SKU 0 33984 04128 8
DSLD Entry Date 2020-04-23
Product Type Botanical
Form Capsule
Brand Solgar
DSLD ID 219034
Data Updated 2026-04-11

Research Evidence

10 Research Sources
48 Avg Quality Score
4 Systematic Review
4 Rct
1 Meta Analysis
1 Cochrane Review
B Feverfew for preventing migraine.
Cochrane Review The Cochrane database of systematic reviews
C Feverfew for preventing migraine
Systematic Review The Cochrane database of systematic reviews 2004
C Feverfew for preventing migraine
Systematic Review The Cochrane database of systematic reviews 2000
C Randomised double-blind placebo-controlled trial of feverfew in migraine prevention
Rct Lancet (London, England) 1988
C Feverfew for migraine prophylaxis: a systematic review
Systematic Review Journal of dietary supplements 2009
C Tanacetum parthenium and Salix alba (Mig-RL) combination in migraine prophylaxis: a prospective, open-label study
Meta Analysis Clinical drug investigation 2006
C The combined effect of acupuncture and Tanacetum parthenium on quality of life in women with headache: randomised study
Rct Acupuncture in medicine : journal of the British Medical Acupuncture Society 2012
C A combination of riboflavin, magnesium, and feverfew for migraine prophylaxis: a randomized trial
Rct Headache 2004
C Feverfew as a preventive treatment for migraine: a systematic review
Systematic Review Cephalalgia : an international journal of headache 1998
D Efficacy of feverfew as prophylactic treatment of migraine
Rct British medical journal (Clinical research ed.) 1985
View all evidence for Feverfew →

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