Source Naturals Activated Quercetin is a bioflavonoid complex that helps immune health and balanced histamine responses, powered by quercetin, bromelain, vitamin C, and magnesium, backed by Source Naturals quality standards. Source Naturals is a trusted name in science-based supplements, recognised for transparency and purity.

Available Sizes & Variants:

50 capsules Source Naturals Activated Quercetin – convenient daily dosage for ongoing immune support.

Benefits & Features:

• Supports immune defence during seasonal challenges.
• Key active quercetin helps histamine balance while vitamin C provides antioxidant protection.
• Bromelain boosts quercetin absorption and supports a healthy inflammatory response in the body.
• Regular daily use supports steady immune function and a balanced inflammatory response, while magnesium helps sustain energy and metabolic processes throughout the day.
• Free from common allergens and artificial additives, helping reassure allergy-conscious shoppers.

Source Naturals has a long standing reputation for science-based formulations and transparent labelling. Activated Quercetin combines a plant-derived quercetin with bromelain to aid absorption, plus vitamin C and magnesium to support immune function. The product is allergen free and contains no artificial additives, aligning with the brand’s commitment to purity and safety. It’s a practical, reliable option for daily immune and inflammatory balance.

Other Ingredients - gelatin (capsule) and magnesium stearate.
Free From - Contains no yeast, dairy, egg, gluten, soy or wheat. Contains no sugar, preservatives, or artificial color, flavour or fragrance.

• GTIN: 21078016892
• Manufacturer: Source Naturals
• Categories: CHECKOUT UPSELLGout Supplements & VitaminsLung & Respiratory SupplementsNew ArrivalsQuercetin SupplementsSource Naturals
• 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 3 capsules 1 to 2 times a day, split into separate doses, between meals. If your stomach is sensitive, consume with meals.

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

The Active Ingredient Is: Quercetin

Quercetin is a plant-derived flavonoid that acts as a bioflavonoid complex to support immune health and histamine responses.

This formula also has included bromelain, vitamin C and magnesium, which help to support quercetin's role in normal immune and inflammatory function.

What Does Quercetin Do?

Quercetin contributes to immune health and helps maintain a balanced histamine response and healthy inflammatory processes, aligning with evidence on immune support and anti-inflammatory activity.

Scientific findings related to quercetin emphasise immune support and antioxidant protection as part of normal body function.

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

Dietary supplements are not a replacement for a balanced diet. Do not take more than the recommended amount. Keep in a cool, dry area away from light and heat. Ensure they are out of children's reach and view.

Source Naturals has a long-standing reputation as a science-led, transparent supplement manufacturer that has helped shape the field with evidence-informed formulations. The brand is recognised for its commitment to science-based products and clear labeling, establishing a trusted position among health professionals and consumers alike. This heritage, together with a track record of innovative integrative nutraceuticals, made Source Naturals a natural partner for Welzo.

Our medical team our medical team evaluated Source Naturals against our strict criteria for quality and safety, and we prioritised partners who demonstrate consistent adherence to high manufacturing and testing standards. The brand emphasises GMP-compliant production and rigorous in-house quality control, with products tested for identity, potency, and contaminants prior to market release. You can explore how we assess these standards through our quality certification process.

For this specific supplement, Source Naturals Activated Quercetin aligns with their expertise in flavonoid formulations, pairing quercetin with bromelain, vitamin C, and magnesium in a allergen-friendly profile, making them a strong fit for immune and histamine-support oriented use.