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Aller-C Vitamin C Blend

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A powerful combination of vitamin C and a proprietary blend of citrus bioflavonoids, quercetin and bromelain designed to offer support for allergies, respiratory health and a healthy immune system.


Formulated specifically to offer support for respiratory health and allergies, Aller-C 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 proprietary blend of quercetin, bioflavonoids and bromelain to effectively support the body's immune response and maintain healthy respiratory function.

Key Features

  • 450mg vitamin C per capsule to support healthy immune function.
  • Vitamin C supports a strong and healthy immune system in numerous ways, including helping white blood cells to function more effectively.
  • 190mg proprietary blend of citrus bioflavonoids, quercetin and bromelain so support a healthy inflammatory response
  • Bioflavonoids are powerful antioxidants found naturally alongside vitamin C in fruits and vegetables and taken together may enhance the actions of vitamin C in the body
  • Quercetin is provided as EMIQ (enzymatically modified isoquercitrin), a more bioavailable form to support healthy histamine levels
  • Bromelain, an enzyme derived from pineapple, acts as a mucolytic, helping to break up and expel mucous and maintain healthy nasal and respiratory airways
  • Citrus bioflavonoids have been shown to help support healthy capillaries and a balanced inflammatory response
  • Suitable for vegans and vegetarians

What is contained in the proprietary blend?

Aller-C contains a proprietary blend of 3 ingredients, namely citrus bioflavonoids, quercetin and bromelain.

Bioflavonoids are antioxidant compounds synthesized by plants, which may help support a healthy inflammatory response, cellular health, and cellular signalling/communication. Aller-C features a high-strength bioflavonoid complex from the peels of oranges and other citrus fruits, and is standardised to 92%.

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. It is provided in the form EMIQ (enzymatically modified isoquercitrin), which is a more bioavailable form of quercetin.

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

Why choose Aller-C?

Our Aller-C capsules are a unique formula containing specific ingredients that have been extensively researched for their use in supporting a healthy histamine response. 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 special combination of vitamin C, quercetin, citrus bioflavonoids and bromelain supports healthy histamine and inflammatory processes for a balanced immune response, helping to keep the nasal and respiratory airways functioning normally.

Who is it suitable for?

Ideal for anyone looking for a natural way to support their immune function and respiratory health, particularly those who suffer with regards to allergies and hay fever.


Each capsule typically contains




% NRV* 

Vitamin C (as ascorbic acid)   





Proprietary Blend:





Citrus Bioflavonoids 92%, EMIQ (Enzymatically Modified Isoquercitrin), Bromelain





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

Other Ingredients: Microcrystalline Cellulose, L-leucine, Vegetable Cellulose Capsule