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Best Allergy Supplements For Dogs in 2025

Discover the importance of your dog's immune system and how to support their allergies.

Advertising Disclaimer This is a subjective round-up and it is not exhaustive of all products on the market. We may receive referral fees and we are affiliated with some brands we mention, such as Pawfy. For more information, see disclosure.. This is a subjective round-up and it is not exhaustive of all products on the market. We may receive referral fees and we are affiliated with some brands we mention, such as Pawfy. For more information, see disclosure...

Updated on

Gill is our resident pet health and nutrition expert who recently retired from a 14-year career in veterinary teaching to pursue writing and researching.

The Importance of Immune Support

Seasonal allergies can be a dog’s worst enemy, and they go hand in hand with their immune system. They can have such a huge impact on your dog’s quality of life and in severe cases, could cause serious long term health issues. At best, it can lead to symptoms such as scratching, scooting, itching & a lot more.

The best way to fight off allergies starts by supporting your dog’s immune system and as you may know, 70% of their immunity resides in their gut. This means by providing the nutrition and bacteria their gut needs, you can help improve their immune response and reduce their allergy symptoms.

The truth is, even with a good diet, many dogs nowadays require additional support to have a fully optimized immune system. This is where supplements become a beneficial toolkit for any dog owner, to hone in on specific nutritional gaps.

Fortunately, with the right Allergy & Immunity Supplement, pet owners can support their dog’s immunity, symptoms and help discourage future issues from developing. Read on to discover the benefits and our Top 5 Allergy Relief Products.

Seasonal Allergy Symptoms

Failure to provide the best care for your best friend’s immune system could result in discomfort at best or potentially severe illness at worst. Possible complications include:

  • Butt Scooting
  • Itching & Scratching
  • Paw Biting & Licking
  • Ear Infections or Waxy Ears
  • Skin Inflammation
  • Redness & Sores
  • Respiratory Issues

Benefits of Allergy Chews

There are endless scientific studies which highlight the benefits of powerful ingredients such as Colostrum and Probiotics for your dog’s immune system.

High quality supplements with the right ingredients can bring the following benefits:

  • Discourage Itching
  • Support Immune Defence
  • Support Inflammation
  • Clear Airways
  • Prevent Infections
  • Boost Overall Health

What To Look For In Allergy & Immune Supplements

Dog Allergy Supplements are NOT all same. It is important to ensure you choose a vetted supplement that contains researched and proven ingredients such as:

  • Colostrum This natural wonder ingredient helps balance and strengthen their immune system.
  • Probiotic & Prebiotic Balances your dog’s gut bacteria for optimal function and efficiency, which in turn helps their immunity.
  • Salmon Oil Soothes and reduces inflammation of their skin and helps renew their natural coat to a healthy, glossy finish.
  • Apple Cider Vinegar Prevents ear or other infections and helps armour their skin by acting as a natural protective barrier.

Our Checklist For a Dog Allergy Supplement

These are some signs of a good quality product and may improve your chances of seeing results:

CloseOpen the Checklist
  • Proven Ingredients

    Ensure you choose a dog supplement that includes researched ingredients such as Colostrum, Probiotics, Salmon Oil and Quercetin. These have been shown to have big benefits for your dog and their immunity.

  • Money Back Guarantee

    Brands which offer a money back guarantee are more likely to have a higher quality product and lower risks for customers if they do not see the desired effect.

  • Made in USA

    With foreign regulations for dog supplements being so poor, it is important to ensure that you purchase products which are made locally. This is to ensure that there are no dangerous ingredients or toxic substances in the formula.

How We Evaluated the Top 5

  • Effectiveness

  • Ingredients

  • Value for Money

  • Customer Service

Top 5 Allergy & Immune Dog Supplements of 2025

Allergy & Immune Chews [ 1 ]

by Pawfy

Sponsored This is a sponsored recommendation by our affiliated partner.

A+

OVERALL GRADE

TOTAL RANKING

  • Ingredient Safety
    9.9AVG. 9.9/10
  • Projected Efectiveness
    9.8AVG. 9.8/10
  • Value
    9.7AVG. 9.7/10
  • Return Policy
    9.5AVG. 9.5/10
  • Customer Satisfaction
    9.6AVG. 9.6/10

Pros

  • Includes Colostrum
  • Provides Probiotics & Prebiotics (1Billion CFU)
  • Contains Quercetin & Apple Cider Vinegar
  • Made in USA from US & Global Ingredients
  • Chew Form
  • 30 Day Money Back Guarantee

Cons

  • Only Available Online
  • Sometimes Out of Stock

The Bottom Line

Of the allergy and immunity supplements for dogs that we reviewed on the market, Pawfy’s Allergy & Immune Chews are the strongest contender. With a robust formula which includes potent Colostrum and Probiotics, two ingredients which have been shown to be effective together, to help boost your dog’s immune system. In addition, they have included Apple Cider Vinegar, Salmon Oil and Quercetin which can effectively protect your dog’s skin & coat from infections, irritation and prevent itching.

When compared to other brands on the market, Pawfy Allergy & Immune Chews contained one of the highest doses of these quality ingredients. They are one of the few products which had a complete formula which provides benefits for immunity, seasonal allergies, gut health and in supporting their accompanying symptoms.

Pawfy also includes other beneficial ingredients such as Vitamin B12, Turmeric and Apple Pectin. It is truly a robust formula that targets many aspects of their immune system and supports inflammation.

Our favourite aspect of this product is that it comes in a tasty turkey flavored chew, which makes it easy to administer just like a treat for your dog.

Pawfy is Made in the USA from US & Global Ingredients and comes with a 30 Day Hassle-Free Guarantee + Free Shipping. This helps ensure the safety and accuracy of their ingredients and allows owners to try them risk free. Overall, we rank Pawfy Allergy & Immune Chews as the best product on the market in 2025.

* Results are based on the our Subjective Ranking System and do not necessarily reflect typical results from the use of these products. Please visit product websites for more information.
 We found one coupon code for this product: BFCM23 for 23% off

Probiotic Chews [ 1 ]

by Pawfy

Sponsored This is a sponsored recommendation by our affiliated partner.

B+

OVERALL GRADE

TOTAL RANKING

  • Ingredient Safety
    9.2AVG. 9.2/10
  • Projected Efectiveness
    9.0AVG. 9.0/10
  • Value
    9.1AVG. 9.1/10
  • Return Policy
    9.5AVG. 9.5/10
  • Customer Satisfaction
    8.8AVG. 8.8/10

Pros

  • 2.5 Billion CFU Probiotic
  • Includes Turmeric
  • Includes Yucca (Fiber)
  • Made in USA
  • Chew Form
  • 30 Day Money Back Guarantee
  • Recommended by Vets

Cons

  • Does Not Contain Quercetin
  • Does Not Include Bromelain

The Bottom Line

These Probiotic Chews by Pawfy are a similarly high quality product, with stellar benefits for your dog.

With 2.5 Billion CFU (Units) of healthy Probiotic bacteria, this product can help relieve your dog’s Allergys while preventing infection due to overgrowth of dangerous bacteria. This makes it a great complementary product to the Allergy chews from the same company or as a standalone product to boost your dog’s digestive health.

The highlight of this product is that is contains much stronger Probiotics than others on the market. It can therefore target certain causes of Allergy problems such as imbalance in gut bacteria and poor digestion.

It also includes Yucca Schidigera, which is extremely rich in dietary fiber - an excellent way to normalize your dog’s stool. It is also very high in vitamins and can even help reduce inflammation .

Overall, we would recommend Pawfy Probiotics alongside their Allergy & Immune chews if your dog needs some extra help in subduing those pesky allergies..

* Results are based on the our Subjective Ranking System and do not necessarily reflect typical results from the use of these products. Please visit product websites for more information.

Itch Relief Chews

by PetScy

B

OVERALL GRADE

TOTAL RANKING

  • Ingredient Safety
    8.7AVG. 8.7/10
  • Projected Efectiveness
    89AVG. 8.9/10
  • Value
    9.0AVG. 9.0/10
  • Return Policy
    8.2AVG. 8.2/10
  • Customer Satisfaction
    8.6AVG. 8.6/10

Pros

  • Contains Fish Oil
  • Contains Vitamin E
  • Made in USA

Cons

  • No Colostrum
  • No Probiotics
  • No Apple Cider Vinegar

The Bottom Line

PetScy's Itch Relief Chews for dogs are formulated to support symptoms of skin discomfort due to allergies, such as itching and dry skin. The chews contain essential fatty acids and antioxidants.

However, they do fail to include any colostrum or probiotics. Probiotic and colostrum may be very beneficial to support the immune system which may in turn help with the source of allergies.

This may be a suitable product to try and support the symptoms of allergies rather than the root of the problem.

* Results are based on the our Subjective Ranking System and do not necessarily reflect typical results from the use of these products. Please visit product websites for more information.
No coupons found for this poduct!

Allergy Powder

by BioResiliant

C

OVERALL GRADE

TOTAL RANKING

  • Ingredient Safety
    8.5AVG. 8.5/10
  • Projected Efectiveness
    8.0AVG. 8.0/10
  • Value
    8.1AVG. 8.1/10
  • Return Policy
    8.0AVG. 8.0/10
  • Customer Satisfaction
    8.4AVG. 8.4/10

Pros

  • Includes Turkey Tail
  • Includes Fiber
  • Made in USA

Cons

  • No Colostrum
  • No Probiotics
  • No Apple Cider Vinegar
  • Powder Form

The Bottom Line

The BioResiliant Allergy Powder Supplement for Dogs and Cats is a natural remedy designed to support seasonal and environmental allergies. Formdulate with superfoods and natural ingredients, it aims to maintain normal histamine levels, thereby reducing symptoms such as itching and redness associated with allergies.

It includes ingredients such as Turkey Tail and Quercetin, however, it does not include other recommended ingredients such as Probiotic and Colostrum.

In addition, the powder form may be unsuitable for some dog owners, particularly those with picky eaters.

* Results are based on the our Subjective Ranking System and do not necessarily reflect typical results from the use of these products. Please visit product websites for more information.
No coupons found for this poduct!

Allergy Aid

by Chew + Heal

D+

OVERALL GRADE

TOTAL RANKING

  • Ingredient Safety
    8.5AVG. 8.5/10
  • Projected Efectiveness
    7.6AVG. 7.6/10
  • Value
    7.3AVG. 7.3/10
  • Return Policy
    8.1AVG. 8.1/10
  • Customer Satisfaction
    8.2AVG. 8.2/10

Pros

  • Contains Omega 3
  • Made in USA
  • Chew Form

Cons

  • No Colostrum
  • No Probiotics
  • No Apple Cider Vinegar
  • No Money Back Guarantee

The Bottom Line

Chew + Heal is a relatively new brand and their allergy product is called Allergy Aid. Their formula is quite basic but reasonably priced.

They fail to include powerhouse ingredients such as Colostrum or Probiotics but they have included less effective ingredients such as Bromelain.

This formula would be recommended if you are on a budget, however its effectiveness may be dubious given the lack of essential ingredients.

Finally, we did not find any clearly defined Money Back Guarantee, which makes it higher risk to try if there is no improvement.

* Results are based on the our Subjective Ranking System and do not necessarily reflect typical results from the use of these products. Please visit product websites for more information.
No coupons found for this poduct!
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Our
Recommendation

Pawfy is Top Allergy & Immune Supplement of 2025

Sponsored This is a sponsored recommendation by our affiliated partner.
  • Efectiveness A+
  • Ingredients A+
  • Value for Money A+
  • Customer Service A+

Of the allergy and immunity supplements for dogs that we reviewed on the market, Pawfy’s Allergy & Immune Chews are the strongest contender. With a robust formula which includes potent Colostrum and Probiotics, two ingredients which are more effective together, to help boost your dog’s immune system.

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Disclosure

SmartPetReviews is a website which ranks and reviews certain products. It does not review all products in a specific category and our reviews are not exhaustive. It is also important to note that this website is sponsored and affiliated with Pawfy. Any products for which we receive compensation to rank or review will be marked as "Sponsored". All opinions or judgements are purely the subjective opinion of our writers.