Double Wood Supplements Quercetin supports immune health and antioxidant protection, pairing quercetin with bromelain to boost absorption and maximise your daily defence. Made in the United States to strict quality standards, it’s gluten free and GMO free, with certificate of analysis and third party test results for reassurance. The brand heritage and open access to certificate of analysis show this is a trusted, transparent option. People around the world rely on it.

Benefits & Features:

• Supports immune health with improved quercetin uptake.
• Antioxidant protection helps defend cells against oxidative stress, supporting healthy ageing and steady metabolism, while bromelain boosts absorption so more quercetin reaches your bloodstream consistently.
• Gluten free and GMO free ingredients support clean supplementation and ease worries about additives.
• Improves bioavailability, ensuring quercetin hits your bloodstream more efficiently than many alternatives.
• Functioning as a zinc ionophore, quercetin could help raise intracellular zinc levels, strengthening immune defence.

Double Wood Supplements Quercetin sits within a family of products known for transparency and quality. The brand provides certificate of analysis and third party test results for every batch, reinforcing trust. This formula pairs quercetin with bromelain to improve absorption, a combo many users seek for immune support and antioxidant protection. Made in the United States to strict standards and produced with gluten free, GMO free ingredients, it’s a straightforward choice for daily wellness. Quality you can trust. For broader daily wellness, consider pairing with a vitamin d supplement or probiotic blend, or explore our zinc supplement options to support immune function.

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: Quercetin

Quercetin is a natural flavonoid with antioxidant properties that supports normal immune function and cellular health.

This formula pairs quercetin with bromelain to markedly improve absorption; the product is gluten-free and GMO-free, aligning with quality standards.

What Does Quercetin Do?

Quercetin contributes to antioxidant protection and supports immune system activity. It may aid in maintaining normal glucose metabolism and metabolic health, while bromelain enhances its oral bioavailability.

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

Double Wood Supplements has established a strong reputation for quality and transparency in the dietary supplement space, with the brand manufacturing in the USA and a clear commitment to providing certificates of analysis and third-party test results. This combination of domestic production and visible quality verification aligns with Welzo’s standards for reliable sourcing and patient safety, making Double Wood a trusted partner for our Quercetin offering.

Our medical team evaluated this brand against others based on its transparency, robust quality practices, and accessible documentation through COAs and external testing. This rigorous approach is visible in their ongoing emphasis on quality control and customer support, which supports our confidence in their manufacturing philosophy. You can explore how we assess these standards with Welzo's healthcare professionals and our ingredient quality and purity standards.

For this specific supplement, Double Wood’s focus on bioavailability—through the inclusion of bromelain to enhance absorption—positions them well to deliver a quercetin product that complements immune and antioxidant support while remaining aligned with our safety and efficacy criteria.