NOW Foods Pets Pet Allergy is a vet designed chewable supplement for dogs and cats that features quercetin to help keep normal histamine levels and support a healthy immune response. This blend of nettle leaf, bromelain and turmeric works together to support a healthy immune response and target the drivers of seasonal allergies. This brand brings GMP manufacturing and the NASC quality seal to a vet formulated pet supplement.

Available Sizes & Variants:

75 chewable tablets – veterinarian formulated for dogs and cats.

Benefits & Features:

• Supports a healthy immune response with a carefully balanced botanical blend that works daily.
• Quercetin and nettle leaf provide natural antihistamine support to help maintain normal histamine levels during allergies in dogs medication.
• Bromelain aids absorption of the other ingredients and helps reduce mucus and swelling.
• Turmeric root extract modulates inflammatory pathways, including enzymes, to support skin comfort and a calmer reaction to seasonal triggers in pets.
• Daily support during allergy season keeps pets comfortable.

NOW Foods Pets Pet Allergy is produced in the USA with NASC quality seal, GMP manufacturing, and transparent sourcing. The vet formulated blend pairs quercetin 100 mg and nettle leaf 100 mg per chew with turmeric root extract 60 mg, bromelain 50 mg, burdock root 50 mg, and licorice root 50 mg, delivering multi pathway support for seasonal allergies. It slots nicely into a dog vitamins routine and can be complemented by probiotics for dogs, supporting allergies in dogs medication as part of a broader allergy plan.

Quercetin, Nettle Leaf, Turmeric root extract, Bromelain, Burdock Root, Licorice Root, Quercetin, Nettle Leaf, Turmeric root extract, Bromelain, Burdock Root, Licorice Root

• GTIN: 733739043047
• Manufacturer: NOW Foods
• Categories: Best SellersCat Products, Care & TreatsNOW FoodsPet Omegas & Fish Oil SupplementsPet Supplements & VitaminsSubscribe & Save Products
• 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.

For dogs: Up to 20 lbs. give 1/2 tablet twice daily; 21 to 40 lbs. give 1 tablet twice daily; 41 to 80 lbs. give 2 tablets twice daily; over 81 lbs. give 3 tablets twice daily. For cats: Up to 20 lbs. give 1/2 tablet once daily. Store in a cool, dry place. Not for human consumption. Keep out of the reach of children and animals. In case of accidental overdose, contact a health professional immediately. Safe use in pregnant animals or animals intended for breeding has not been proven. If the animal's condition worsens or does not improve, stop product administration and consult your veterinarian. Long-term use may cause or contribute to water retention, hypertension, and other side effects. Not to be used with blood thinners. An examination from a veterinarian is recommended prior to using this product.

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 Active Ingredient Is: Quercetin

Quercetin is a natural flavonoid, a plant-based compound that helps support normal immune and inflammatory processes.

This form is commonly sourced from plants and used to help keep normal physiological responses linked to immunity and histamine activity.

What Does Quercetin Do?

Quercetin (helps support) normal histamine levels and (assists) with modulation of inflammatory mediators, (in line with) EFSA guidance on flavonoids and immune function.

Dr. Mancho from a university reported antihistamine and anti-inflammatory effects of quercetin in canine allergic conditions, (supporting) its role in (supporting) a healthy immune response in pets.

This formula also contains complementary botanicals (like) nettle leaf, bromelain and turmeric, which (support) the primary ingredient's role in normal immune and inflammatory pathways.

This supplement (isn't meant to) diagnose, treat, cure or prevent any disease.

NOW Foods is our go-to supplier for Pets Pet Allergy because their sourcing practices and reputation set a high standard in pet health supplements. The brand emphasises US manufacturing with globally sourced ingredients and carries the NASC quality seal, signalling commitment to transparency, ethical sourcing and rigorous quality controls. This aligns with our expectation that products be veterinarian‑formulated and produced under strong quality governance. For our vet and science‑led team, this mix of origin verification and third‑party quality signals is particularly compelling.

NOW Foods’ quality and testing framework is a core part of why we pick them. The NASC seal requires quality assurance, batch tracking and adverse event reporting, while GMP practices underpin consistent manufacturing excellence. This means our medical team can assess the product with confidence, supported by our our medical team and our thorough testing protocols. For added reassurance, the brand’s commitment to purity and potency is reflected in its veterinarian‑formulated approach and absence of artificial additives.

Product compatibility is strong here because NOW Foods Pets Pet Allergy employs a multi‑ingredient botanical blend that supports a healthy immune response and maintains normal histamine levels, making NOW Foods a natural fit for this supplement line. This alignment demonstrates why NOW Foods stood out during our brand evaluation and selection process.

Our selection process combines brand credibility, testing integrity and product fit, and NOW Foods ticks every box. Learn more about our team and testing standards as part of our independent vetting at our medical team and our rigorous testing protocols.