Swanson Full Spectrum Oregano is a whole leaf oregano supplement that helps your immune health and daily vitality, thanks to the natural oils and polyphenols it keeps. Oregano leaf offers a full spectrum of naturally occurring essential oils and flavonoids that help support everyday resilience, especially when life feels busy. Swanson backs quality with GMP facilities and independent testing bodies to keep things clear.

Available Sizes & Variants:

90 Capsules – convenient daily capsule for immune support.

Benefits & Features:

• Supports daily immune health.
• Oregano leaf provides natural essential oils and polyphenols that support immune function daily.
• Whole leaf oregano preserves flavonoids and essential oils, helping defend cells from everyday stressors.
• Brand quality is reinforced by GMP certified manufacturing and independent third party testing, ensuring purity, potency and reliable everyday immune support.
• Daily capsules provide a simple routine that fits into busy lives, helping you look after your immune health with a durable steady approach every day.

Swanson Health Products has built a reputation for science-backed quality since 1969, with products made in GMP-certified facilities and purity testing conducted by independent labs. This oregano formula uses whole leaf oregano to preserve naturally occurring essential oils and flavonoids, not just extracts, delivering a full spectrum profile. The brand's commitment to transparency and value, along with long-standing trust among customers, helps explain its enduring popularity in the herbal supplement market. (It’s a favourite in many fragrance and wellness routines)

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.

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

The Active Ingredient Is: Oregano (Whole-Leaf)

Oregano leaf is a herb used as a supplement ingredient, providing a natural source of polyphenols and essential oils in a whole-leaf form.

This form uses whole oregano leaf (Origanum vulgare) to preserve naturally occurring flavonoids and volatile oils within the preparation.

What Does Oregano Do?

Oregano contains bioactive compounds that participate in antioxidant and immune-supporting processes, contributing to normal cellular protection and overall vitality.

These constituents are involved in modulating inflammatory pathways and supporting immune system activity as described in the available literature on whole-leaf oregano components.

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

Swanson Health Products was chosen as our partner for this oregano supplement because of a long-standing reputation for science-led quality that dates back to 1969. The brand is well recognised for rigorous in-house and third-party testing and for operating GMP-certified manufacturing facilities, which aligns with our commitment to transparency and safety. Their focus on whole-leaf oregano supports a full-spectrum approach, retaining naturally occurring oils and flavonoids that matter to quality and consistency. This combination of heritage, rigorous testing and a clear manufacturing standard helped Swanson stand out against competitors in our evaluation, particularly for a product that relies on dependable sourcing and verification. Our team evaluated Swanson through our formal process, emphasising trust in brand integrity and manufacturing excellence, and confirming alignment with our standards for purity and potency. This brand is complemented by our team of medical experts and our ingredient quality and purity standards for added assurance our team of medical experts and our ingredient quality and purity standards.