🟢 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 Veg Capsule(s) Serving Size
60 Servings
Botanical Product Type
0% Evidence Coverage

Supplement Facts — Evidence Check

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

Other Ingredients

Hypromellose Microcystalline Cellulose Stearic Acid Silicon Dioxide

Label Claims — Verification

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

Target Groups

Vegan Vegetarian Adult (18 - 50 Years) Women (not pregnant or lactating) Gluten Free Dairy Free

Product Information

📋 Directions for Use

Suggested usage: Take 1 capsule twice daily.

⚠️ Warnings & Precautions

Caution: For adults only. Keep out of reach of children.

Not recommended for pregnant/nursing women or individuals with liver disease. Consult physician if taking medication or have a medical condition.

Not manufactured with wheat, gluten, soy, milk, egg, fish, shellfish or tree nut ingredients. Produced in a GMP facility that processes other ingredients containing these allergens.

🧪 Formulation Notes

European herbalists have been using butterbur for decades and scientific studies have demonstrated that petasins, the active constituents in butterbur, can support healthy blood flow to the brain and promote normal neurological function. In this way, butterbur may help to maintain head comfort in healthy individuals.

NOW Butterbur is also free of undesirable pyrrolizidine alkaloids (PA’s), so it can be used regularly.

Natural color variation may occur in this product. Neurological support Supports healthy blood flow to the brain

Butterbur with feverfew

Non-GMO

Vegetarian/Vegan

Not manufactured with wheat, gluten, soy, milk, egg, fish, shellfish or tree nut ingredients.

Additional Information

Botanicals/Herbs Family owned since 1968.

GMP Quality Assured

Product Details

UPC / SKU 7 33739 04602 4
DSLD Entry Date 2024-06-20
Product Type Botanical
Form Capsule
Brand NOW
DSLD ID 313629
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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