Olive Leaf Extract is a handy herbal supplement that helps immune health and heart function through the star polyphenol oleuropein, and it supports everyday wellbeing.

Benefits & Features:

• Supports immune health and healthy circulation.
• Antioxidant support helps protect vessels and supports healthy blood flow, a benefit Swanson vitamins customers value in gut health supplements and it complements daily wellness routines.
• Standardised olive leaf extract delivers consistent active compounds.
• Gluten free and non GMO verified for trusted quality.
• Designed for daily use with easy swallowing capsules, it slots neatly into a balanced health routine.

Swanson Olive Leaf Extract sits within the Swanson vitamins family, a brand with a long standing commitment to quality. The standardised olive leaf extract ensures a reliable level of oleuropein, the star polyphenol, to support immune health and healthy circulation. The product is gluten free and non GMO verified, and customers appreciate the brand’s generous 100 day money back guarantee. It’s a trusted option in the wider Swanson vitamins line, and it sits nicely among gut health supplements for daily wellness.

Olive Leaf Extract (Olea europaea) (standardized to minimum 20% oleuropein)

• GTIN: 87614141589
• Manufacturer: Swanson
• Size: 500mg / 60
• Categories: Best SellersOlive Leaf Extract SupplementsSports 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.

Take one capsule twice a day, preferably with food. Store in a dry and dark place out of the reach of small children. Not recommended for pregnant women, breastfeeding mothers, or individuals allergic to any of the ingredients. A dietary supplement cannot be a substitute for a healthy lifestyle. Do not exceed the recommended daily dose.

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 Active Ingredient Is: Oleuropein. Oleuropein is a phenolic compound found in olive leaves, contributing to its antioxidant potential and health-related effects. This formula uses olive leaf extract standardised to 20% oleuropein, providing a consistent source of the active polyphenol. What Does Oleuropein Do? Oleuropein plays a role in antioxidant activity and supports normal endothelial function, contributing to healthy blood vessel performance. It is noted by researchers that Dr. Scoditti of the University of Bari found oleuropein can activate nitric oxide synthase in endothelial cells, promoting vasodilation and supporting normal circulation. This product is not intended to diagnose, treat, cure, or prevent any disease.

Swanson is recognised for its long-standing presence in the supplement industry and its global distribution across Europe and North America, signalling a trusted and widely accessible brand. This heritage, combined with a clear commitment to quality, makes Swanson a natural partner for Welzo. The brand has established a track record of providing standardised formulations and consumer‑facing transparency that aligns with our desire for reliable sourcing. Our medical team our medical team reviewed Swanson Olive Leaf Extract for consistency, potency, and overall quality, and this oversight is reinforced by our how we verify ingredient quality standards.

Why Swanson stood out is their market longevity, non‑GMO certification, and gluten‑free verification, along with a strong customer trust signal demonstrated by hundreds of positive reviews. These factors, plus a generous 100‑day money‑back guarantee, reflect a brand that places customer assurance at the forefront. This brand’s approach to standardised olive leaf extract supports the product’s focus on immune and cardiovascular health, making it a natural fit for this supplement. This combination of brand credibility, quality commitments, and consumer confidence informed our selection.