Swanson Full Spectrum Onion Bulb supports overall health with antioxidant protection, helping protect cells and maintain everyday vitality through its onion bulb extract. Onion bulb is the star ingredient, delivering core benefits through natural compounds, you know, while Swanson Health Products backs it with decades of trusted quality, well. Plus our gluten free and non GMO certifications reflect our commitment to purity.

Available Sizes & Variants:

60 caps onion bulb supplement - convenient daily cap for ongoing use.

Benefits & Features:

• Antioxidant support helps protect daily wellbeing.
• Onion bulb is the star ingredient, delivering core benefits through natural compounds.
• Gluten free and non GMO ingredients reflect our purity standards.
• Swanson Health Products has built its reputation since 1969 on quality and customer trust, offering unsurpassed purity and a money back guarantee, hallmarks of herbal supplements you can trust.
• Designed for daily use, this capsule form makes it easy to integrate into your routine, simply take with a meal and carry on with your day.

Swanson has built its reputation on science backed quality since 1969, and this Full Spectrum Onion Bulb line is manufactured in the USA to strict purity standards. The star ingredient, onion bulb, brings natural compounds known for their antioxidant potential, and the simple capsule format keeps things convenient for daily use. This heritage of straightforward, trustworthy herbal supplements sets Swanson apart from trendier labels, making it a reliable everyday option for wellness seekers. A clean, straightforward approach like this is the herbal supplements ethos liver king fans recognise.

Onion (Allium cepa) (bulb), Onion (Allium cepa) (bulb)

• GTIN: 87614112640
• Manufacturer: Swanson
• Categories: Best SellersSports Supplements Black Friday SaleSubscribe & Save ProductsSwanson
• 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.

As a dietary supplement, take one capsule one to two times per day with water. Store in a cool, dry place. WARNING: For adults only. Consult your healthcare provider before using this or any product if you are pregnant or nursing, taking medication or have a medical condition. Keep out of reach of children. Do not use if seal is broken.

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 Active Ingredient Is: Onion (Allium cepa) bulb extract

Onion bulb extract is a plant-based ingredient used in herbal supplements for everyday health support.

This form comes from the Allium cepa bulb and is described in product info as gluten-free and non-GMO, with the extract supplied in capsule form.

What Does Onion Bulb Extract Do?

Onion bulb extract supports antioxidants and helps deliver natural compounds like flavonoids that contribute to overall wellness.

This mechanism lines up with what people generally understand about onion components as antioxidant sources that may help protect cells from oxidative stress, as recognised in EFSA and NHS-focused guidance on nutrient function and antioxidant activity.

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

Swanson Health Products has a long-standing commitment to quality in a facility setting built on proven standards and reliability. This brand emphasises unsurpassed purity and potency, with manufacturing conducted in the USA under gluten-free and non-GMO certifications that align with Welzo’s expectations for safe, transparent sourcing. Swanson’s heritage stretches back to 1969, a track record supported by strong consumer trust and positive marketplace standing, reinforcing our confidence in them as a partner.

Our team evaluated Swanson through Welzo’s vetting criteria, appreciating their emphasis on purity, potency, and a customer-friendly refund guarantee that underpins quality controls. This partnership rationale is strengthened by the brand’s established reputation and widespread distribution, which helps ensure consistent supply and traceability. For product-specific fit, Swanson Full Spectrum Onion Bulb aligns with our approach to offering reliable, well-supported ingredients where onion bulb extract provides antioxidant support as part of general wellness considerations.

This collaboration is reinforced by our rigorous testing protocols and certification considerations, with our medical team reviewing supplier credibility and quality measures. Learn more about our process from Welzo's healthcare professionals and our standards at our rigorous testing protocols.