Vitamin C + Quercetin Complex 90 Capsules
Vitamin C + Quercetin Complex 90 Capsules Vitamin C + Quercetin Complex Key Benefits Vitamin C + Quercetin Complex Internal Quote Vitamin C + Quercetin Complex Customer Review Vitamin C + Quercetin Complex Key Nutrients Vitamin C + Quercetin Complex Label

Vitamin C + Quercetin Complex 90 Capsules

With vitamin C, citrus bioflavonoids, quercetin, rutin, and bromelain to support allergies, respiratory health and the immune system.

100 % of 100
  • Vegetarian
  • Vegan
  • Gluten-free
  • Dairy-free
  • Soya-free
  • Non-GMO
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  • Natural support for allergies, respiratory health and the immune system.
  • 400mg vitamin C for immune support, it helps white blood cells to function more effectively.
  • 75mg citrus bioflavonoids and 25mg rutin, which have been shown to support healthy capillaries.
  • Bioflavonoids are powerful antioxidants found naturally alongside vitamin C in fruits and vegetables.
  • Bioflavonoids when taken with vitamin C may enhance the actions of vitamin C in the body.
  • 100mg quercetin to help support healthy histamine levels.
  • Bromelain, acts as a mucolytic, helping to break up and expel mucous to maintain healthy nasal and respiratory airways.
  • Suitable for vegans and vegetarians.

Each capsule typically contains


 % NRV*

Vitamin C (ascorbic acid)






Citrus bioflavonoids
 (standardised to 50% hesperidin)










* NRV is the Nutrient Reference Value
✝ NRV not yet established


Encapsulated with:

Hydroxypropyl methylcellulose
Microcrystalline cellulose
Stearic acid
Bamboo extract (Bambusa vulgaris) 


Our Vitamin C + Quercetin Complex capsules are ideal for anyone looking for a natural way to support their immune function and respiratory health, particularly those who suffer from allergies or hay fever.

Formulated specifically to offer support for respiratory health and allergies, Vitamin C + Quercetin Complex provides a combination of key nutrients that have been studied for their potential to support balanced histamine levels and healthy inflammatory processes within the body.

Vitamin C is combined with a combination of quercetin, bioflavonoids, rutin and bromelain to effectively support the body's immune response and maintain healthy respiratory function.

Histamine is a compound produced in the body as part of an allergic reaction, and it is what causes swelling, rashes, itching, sneezing and mucous production when the immune system reacts to a trigger. Symptoms can occur in the nose, lungs, throat, sinuses, ears, lining of the stomach or on the skin. This unique formula helps keep the nasal and respiratory airways functioning normally.

Alongside vitamin C, this formulation features citrus bioflavonoids, quercetin, rutin, and bromelain.

Bioflavonoids are antioxidant compounds synthesised by plants, which may help support a healthy inflammatory response, cellular health, and cellular signalling/communication. This formula contains citrus bioflavonoids as a standardised extract of 50% hesperidin.

Quercetin is another bioflavonoid found commonly in berries, onions and apples, and is thought to play an important role in modulating the body's histamine response.

Rutin is a bioflavonoid found in apples, buckwheat, and green and black tea. Traditionally used to support circulation and blood vessels, rutin has powerful antioxidant properties, and also helps the body use vitamin C.

Bromelain is a protein digesting enzyme found only in the stems of fresh pineapple, traditionally used as a digestive aid. Research continues to highlight its potential benefits in reducing inflammation, and supporting healthy nasal and respiratory airways.

A standardised herbal extract is a specific concentration of one or more of the chemical compounds found in the plant. It guarantees that the potency and amount of active compounds contained in the product is the same as those advertised on the label and is consistent from batch to batch.

With standardised herbal extracts, you know you're getting a sufficient amount of the beneficial compound, as determined by scientific evidence.

As well as supporting the body's immune system response, vitamin C also supports healthy skin, bones and teeth. It contributes to normal energy-yielding metabolism and can reduce feelings of tiredness and fatigue. Vitamin C also has a role in supporting the normal function of the nervous system and psychological function as well as protecting cells from oxidative stress caused be free radicals and even increases iron absorption.

Orders placed by 2pm Monday - Friday will be despatched the same working day.


Delivery Costs

Royal Mail 24: Free Delivery

Royal Mail Tracked 24: £5.50 for orders under £45. Free for orders over £45. 

Special Delivery Before 1pm: £9.50


NB Please note that Royal Mail 24 is not available for orders over £100. Royal Mail Tracked 24 is offered as an alternative option.

Do not take enzymes directly before or after surgery (at least one week).

This amount of vitamin C may cause mild stomach upset in sensitive individuals.

If pregnant, breastfeeding, taking any kind of medication or have a medical condition, consult a healthcare practitioner before using this product.

This product is hypoallergenic / does not contain any of the 14 major allergens listed in Annex II (1169/2011) of the EU Food Information for Consumers Regulation.


1-3 capsules twice daily between meals, or as directed by your healthcare practitioner.

Nutri Advanced supplements should not be used as a substitute for a varied diet and healthy lifestyle. Results may vary between individuals.