Bluebonnet Standardized Feverfew Leaf Extract supplement bottle
Bluebonnet

Standardized Feverfew Leaf Extract

What We Researched
1 active ingredient analyzed · 3 inactive ingredients decoded · 4 brand certifications checked · 1 retailer compared · Last updated: Mar 2026
87
Product Score Good
84
Brand Score Good

Product Analysis

Transparency Excellent

Supplement Facts

IngredientAmount% DV
Feverfew leaf extract (as Parthenolides) 250 mg †
Bioavailability Fair

Absorption Rating

  • Feverfew leaf extract (as Parthenolides) Fair
Other Ingredients Excellent

Fillers & Additives

  • 100% Kosher Vegetable Capsules
  • Vegetable Cellulose
  • Vegetable Magnesium Stearate
Efficacy Excellent

Dosage Analysis

  • Feverfew leaf extract (as Parthenolides) 250 mg Effective

Supplement Facts

Ingredient Amount % Daily Value
Feverfew leaf extract (as Parthenolides) 250 mg †

Other Ingredients

Inactive ingredients used in manufacturing. All rated for safety.

100% Kosher Vegetable Capsules Unknown
Vegetable Cellulose Safe

Forms a vegetarian capsule shell alternative to gelatin.

Vegetable Magnesium Stearate Safe

Prevents ingredients from sticking to equipment. Derived from vegetable sources.

Price Comparison

Prices shown at time of last check. Click a retailer to see current price. GoodSupp is not affiliated with any retailer.

Brand Trust Report
Bluebonnet

Founded 1991 · Sugar Land, Texas, United States · 568 products · bluebonnetnutrition.com/

Certifications

4 certifications
Nsf Gmp Verified Source
Fda Gmp Inspections Verified Source
Non Gmo Project Verified Source
Usda Organic Verified Source

Transparency

4 claims
Third Party Testing Claim — Verified Source
Testing Lab Disclosure — Claimed Source
In House Testing — Verified Source

Violation History

3 incidents
Prop 65 Lead2016-08-29Source
Lawsuit Allegedly falsely promoting liquid vitamin B supplements as containing various amounts of B vitamins when they did not.2016Source
Lawsuit Allegedly falsely advertised a Betaine supplement as 'derived from beets' when it was claimed to be synthetic.2014Source
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Frequently Asked Questions
Is Bluebonnet Standardized Feverfew Leaf Extract a good supplement?

Bluebonnet Standardized Feverfew Leaf Extract received a product quality score of 87/100 in GoodSupp's independent analysis, indicating strong overall quality. The product contains 1 active ingredients Of the 3 inactive ingredients, 2 are rated safe and 0 are flagged for review. The manufacturer, Bluebonnet, holds a brand trust score of 84/100 with 4 verified certifications including Nsf Gmp, Fda Gmp Inspections, Non Gmo Project, Usda Organic.

What are the ingredients in Bluebonnet Standardized Feverfew Leaf Extract?

Bluebonnet Standardized Feverfew Leaf Extract contains 1 active ingredients: Feverfew leaf extract (as Parthenolides) (250 mg). Each ingredient's dosage, form, and safety rating is analyzed independently in GoodSupp's full product breakdown.

Is Bluebonnet Standardized Feverfew Leaf Extract safe to take?

Bluebonnet Standardized Feverfew Leaf Extract has been analyzed for ingredient safety across all its components. Always consult your healthcare provider before starting any new supplement, especially if you take medications or have underlying health conditions.

Is Bluebonnet a trustworthy supplement brand?

Bluebonnet receives a brand trust score of 84/100 based on GoodSupp's independent analysis of certifications, regulatory history, and transparency practices. Founded in 1991 and headquartered in Sugar Land, Texas, United States, the company offers 568 products in their lineup. They hold 4 verified certifications including Nsf Gmp, Fda Gmp Inspections, Non Gmo Project, Usda Organic. Third-party certifications are independently verified and indicate the brand meets specific quality, purity, and manufacturing standards. Note: Bluebonnet has 3 historical regulatory incidents on record, which are factored into the trust score.

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Disclaimer: GoodSupp provides independent supplement quality analysis for informational purposes only. Scores are generated algorithmically based on ingredient profiles, brand certifications, and public records. This is not medical advice. Always consult a healthcare professional before starting any supplement regimen. Product data is sourced from manufacturer labels and public databases. GoodSupp is not affiliated with any supplement brand.