Feverfew Extract capsules support brain blood flow and vascular health today, with feverfew extract standardised to 0.5% parthenolides, reflecting Swanson's longstanding quality and Good Manufacturing Practice practices. Daily use keeps it simple and practical, and the labelling is clear and easy to read, which helps you trust what you buy year after year.

Available Sizes & Variants:

60 capsules – convenient daily dosage for a straightforward routine.

Benefits & Features:

• Supports healthy brain blood flow and vascular health for clearer thinking and steady daily performance.
• The star active, feverfew extract standardised to 0.5% parthenolides helps modulate inflammatory pathways, potentially reducing migraine disruption and supporting calmer blood vessel function in daily life.
• Good Manufacturing Practice quality control, so you know what you’re getting each time.
• Designed for daily use and compatible with probiotics for gut health when paired as part of a broader wellness routine.
• Swanson's clear labelling and reliable potency across batches provide daily confidence.

Swanson Feverfew Extract sits in a long standing tradition of trusted supplements, produced to Good Manufacturing Practice guidelines with feverfew extract standardised to 0.5% parthenolides for consistent potency. Feverfew has a history of use in supporting vascular health, and the formula is designed to help maintain healthy blood flow to the brain. Swanson's careful labeling and quality standards reflect decades of expertise in herbal supplements. For those building a broader wellness routine, you might pair this with a vitamin d supplement or probiotics for gut health. Note: ferrous sulfate is a different supplement; this feverfew extract focuses on vascular support.

Feverfew Extract (Tanacetum parthenium)(aerial parts)(standardized to minimum 0.5% parthenolide), Feverfew Extract (Tanacetum parthenium)(aerial parts)(standardized to minimum 0.5% parthenolide)

• GTIN: 87614142678
• Manufacturer: Swanson
• Categories: Feverfew Herb & SupplementsSwanson
• Best buy: 6 - 24 months+

United Kingdom Shipping:

Orders placed by 2pm (Monday to Friday) are dispatched the same day. Orders placed after 2pm will be dispatched the next working day.

Free shipping on orders over £50 to the UK.

Returns: Our products are meant to make you feel healthy and at your best. If you need to return your item, you can do so free of charge within 30 days in the same original and unopened packaging. Subject to T&C's.

Take one capsule daily with water. Store in a cool, dry place away from light. Keep out of reach of children. Not recommended for pregnant or nursing women. Consult your doctor before use if you have a medical condition or are taking medication. Discontinue use if oral discomfort or skin irritation occurs. Do not use if the seal is damaged.

Please consult the product packaging for accurate instructions on how to use the product.

*Percent Daily Values are based on a 2,000 calorie diet. Your daily values may be higher or lower depending on your calorie needs.

The Key Ingredient Is: Feverfew Extract (Tanacetum parthenium), Standardised to 0.5% Parthenolides

Feverfew extract is an herbal ingredient sourced from the feverfew plant, used for its active compounds. This standardised version holds parthenolides, the main components tied to its impact on vascular and inflammatory pathways.

What Feverfew Extract Actually Does?

Feverfew extract helps keep normal inflammatory responses by joining pathways and reducing inflammatory proteins, while supporting healthy blood flow and vascular function. It may contribute to vascular health and regulate platelet activity, with antispasmodic properties noted in studies.

*This product is not meant to diagnose, treat, cure, or prevent any disease.

Swanson is Welzo’s trusted partner for Feverfew Extract because the brand has a well-established dedication to quality and steady production standards. Their Feverfew extract is standardised at 0.5% parthenolides, matching our formulation and delivering predictable potency per capsule. This brand also highlights GMP-compliant manufacturing, reinforcing our trust in clean and dependable sourcing and cross-batch consistency.

Our team of experts assessed Swanson against options by prioritising solid manufacturing standards, clear potency specifications and a reputation for quality control. The choice was reinforced by our ongoing commitment to open practices and third‑party assurances, which you can explore through our ingredient quality and purity standards. This brand’s approach helps a product that is well matched to vascular health support needs described in the formulation, with simple ingredients and clear labelling.

Welzo selected Swanson Feverfew Extract due to the brand’s credibility, the explicit standardisation to parthenolides, and alignment with our thorough evaluative process. Discover more about our expert team and standards through the links: our expert team of doctors, nurses, and nutritionists and our ingredient quality and purity standards.