10 Best Allergy Supplements For Dogs

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Dogs can experience allergies just like humans, so finding the best allergy supplements for dogs is essential for sensitive pups. Itchy skin, irritation, and digestion problems are all signs that a dog could be allergic to something.

This article will review the top 10 best dog allergy supplements in 2023. We’ll discuss what each one does, how it works, and why it might be a good choice for your furry friend. If you’re looking for an effective way to manage your dog’s allergies, keep reading!

White dog sitting on lap

Our Top 10 Picks in 2023

  1. Vetnique Labs Dermabliss Dog Supplements
  2. PetHonesty Dog Allergy Relief Chews Max Strength
  3. Zesty Paws Advanced Allergy Immune Supplement
  4. PetAlive Allergy Itch Ease Granules
  5. Finn Allergy & Itch Supplement for Dogs
  6. PetHonesty Allergy Anti-Itch Salmon Oil Supplement
  7. BEXLEY LABS Curaseb Medicated Treatment for Dogs
  8. iHeartDogs Allergy & Itch Relief Chews for Dogs
  9. PetArmor Antihistamine Allergy Relief for Dogs
  10. StrellaLab Allergy Relief with Omega-3 Dog Chews

1. Vetnique Labs Dermabliss Dog Supplements

Dermabliss dog allergy supplements

Vetnique Labs Dermabliss Allergy Chews are designed to help dogs suffering from hay fever or allergic reactions. It uses a combination of omega fatty acids, vitamins, probiotics, quercetin, and colostrum. You can buy these supplements in packs of 30, 60, or 120, depending on how often your dog needs them.

Dermabliss benefits dogs with seasonal allergies, atopy, and other skin conditions because it promotes normal inflammatory responses and supports the immune system. The unique combination of omega 3-6-9 fatty acids helps support a healthy gut, which means a healthy pup. The fatty acids can also keep your dog’s skin and coat healthy overall.

Key features:

  • Helps “ditch the itch” by supporting dogs with allergies
  • Made with natural ingredients, including salmon oil
  • Combines immune modulators, probiotics, and colostrum

In a Nutshell:

Some pet parents complained that their dog would only eat it if it were mixed with food, but most customers saw improvement in their dog’s internal and external allergic reactions.


  • Soft chews are easy to serve
  • No artificial preservatives
  • NASC quality seal of approval
  • Rich in omega 3-6-9


  • The strong smell might deter some dogs

2. iHeartDogs Allergy & Itch Relief Chews for Dogs

iHeartDogs allergy & itch dog supplements

If your dog is dealing with irritated skin, the iHeartDogs Allergy & Itch Chews can soothe them. Using only the highest quality ingredients, the dog allergy chews provide relief while supporting a healthy immune system and aiding digestion for all-around canine health. These chews include a blend of natural ingredients that boost your dog’s immune system to help relieve seasonal, food, and environmental allergies that can cause itching, sneezing, scratching, skin irritation, and paw chewing.

This supplement is rich in omega-3 and omega-6 fatty acids, which support a healthy immune system, heart health, anti-inflammatory properties, healthy skin and coat, and cognitive function. Some of the other key ingredients include quercetin, colostrum, Reishi mushrooms, salmon oil, and apple cider vinegar. The recipe is veterinarian formulated, and every product purchased helps feed dogs in need.

Key Features:

  • Helps alleviate itching and calms skin irritation
  • Excellent multivitamin for multiple health benefits
  • It has strong antioxidant and anti-inflammatory properties
  • It helps promote healthy digestion, intestinal balance, and a strong immune defense

In a Nutshell:

These soft chews look, smell, and taste like treats for dogs, so they’re great supplements for picky eaters. However, it could take a while for the natural ingredients to take effect.


  • Suitable for puppies
  • Easy to serve
  • Helps alleviate itching and calms skin irritation
  • Veterinarian formulated
  • Made in the USA
  • Every purchase donates meals to shelter dogs


  • May take a while to see results

3. PetHonesty Dog Allergy Relief Chews Max Strength

Pet Honesty Allergy Support supplements

PetHonesty is dedicated to providing high-quality health supplements with natural ingredients. This company makes some of the best dog allergy supplements in the USA without sacrificing the quality of ingredients, manufacturing, and packaging.

This formula contains a blend of probiotics to “coat” the gut with good bacteria and support digestive functions. The supplements contain colostrum for immunity and fish oil for healthy skin and coat. Thus, each chew contains omega-3 fatty acids too. All the ingredients are natural, and the formula is recommended by vets.

Key Features:

  • Supports normal and healthy inflammatory pathways
  • Helps soothe seasonal allergy-related skin issues
  • Helps support your dog’s immune system
  • Made of colostrum, probiotics, coconut oil, and quercetin

In a Nutshell:

Your dog should be monitored closely when taking these supplements for the first time, but most dog parents have noticed improvements in their sensitive pup’s skin, coat, and digestive system after eating them.


  • All-natural ingredients
  • Dog-friendly flavor
  • Vet-approved formula
  • Helps improve skin/coat health


  • Some dogs experience digestive issues

4. Zesty Paws Advanced Allergy Immune Supplement

Zesty Paws Aller-Immune Bites

Taking care of our beloved furry friends is essential for their long-term happiness. Zesty Paws Advanced Aller-Immune Bites offer extra TLC for your canine companion, no matter their age or size. You can choose unique formulas for seniors, puppies, small dogs, and all ages. There’s also a vet-formulated option.

These supplements support immune function, help dogs with seasonal allergies, and help maintain histamine levels. The soft chews contain vitamins, protein, fiber, colostrum, omega-3 fatty acids, antioxidants, prebiotics, and probiotics. Together, the ingredients in this functional pet supplement support dogs with seasonal allergies, especially when it comes to immune, skin, and gut health.

Key Features:

  • Each chew features five strains of probiotics and PreforPro (prebiotics)
  • EpiCor is a premium ingredient made from natural yeast
  • Advanced Aller-Immune Bites may also help maintain normal histamine levels

In a Nutshell:

Some dogs are picky with these chews, but dogs of all ages and breeds tend to experience decreased allergy symptoms after taking the supplements.


  • No artificial flavors or preservatives
  • Includes salmon oil
  • Seasonal allergy support
  • Supports gut function
  • Formulas for dogs of all ages and sizes


  • Some reports of vomiting and lethargy

5. PetAlive Allergy Itch Ease Granules

Pet Alive Allergy Itch Ease

Help your furry friend feel strong and comfortable in their skin with PetAlive Allergy Itch Ease Granules. This homeopathic supplement relieves common skin irritations, including allergies, eczema, red spots, mottled skin, and itching.

Allergy Itch Ease is a natural remedy with ingredients that relieve itching and other allergic reactions. It works to promote healthy skin on all levels. Supporting sensory balance and proper oxygen supply can help strengthen the skin and even reduce licking and scratching behaviors that can worsen skin irritations. To use, sprinkle it on your pet’s tongue or mix it with their food as directed.

Key Features:

  • Combats itchy and irritable skin from allergies
  • Supports the health of all cells and layers of the skin
  • Homeopathic treatment
  • Increases oxygen supply to the skin to help strengthen it and reduce itching

In a Nutshell:

Even though this supplement isn’t a soft treat like some of the others, it’s easy to serve because it can be mixed with your dog’s food for allergy relief.


  • Relieves itchy skin
  • Stops pets from scratching
  • Soothes skin allergies
  • Calms your pet


  • Vague dosage instructions

6. Finn Allergy & Itch Supplement for Dogs

Finn Allergy & Itch Dog Supplements

New to the dog supplement industry, Finn’s all-natural products are quickly becoming popular with puppy parents. These supplements have been extensively researched and formulated with real, natural ingredients without unnecessary fillers or artificial preservatives.

These supplements contain colostrum, wild Alaskan salmon oil, quercetin, bromelain, probiotics, bee propolis, and other key ingredients to help support your dog’s immune response and soothe itchy, dry skin. These chews are formulated to relieve seasonal allergies in dogs and are cold-pressed to preserve the strength of the ingredients. They contain real cheese, bacon, and beef liver, which are most dogs’ favorite flavors.

Key Features:

  • Formulated to support seasonal allergies and skin health
  • No corn, soy, or artificial ingredients
  • NASC quality seal of approval

In a Nutshell:

Some customers have complained about the strong smell, but most dogs love it. It’s easy to serve because dogs think it’s a treat when it’s really reducing allergy symptoms.


  • BPA-free, recyclable tin
  • Made in the USA
  • Suitable for puppies
  • Vet-recommended
  • Appealing flavors for dogs


7. PetHonesty Allergy Anti-Itch Salmon Oil Supplement

Pet Honesty Salmon Oil dog allergy supplement

PetHonesty Anti-Itch Allergy Supplement for Dogs is another liquid supplement. It combines the smells and flavors of salmon oil and turkey to appeal to picky pups. The supplement can be given directly, but it is easier to mix with food or treats.

This product has natural ingredients, including omega oils, colostrum, immune modulators, and probiotics, that work to soothe allergy-related itching and other skin conditions. The ingredients are free of allergens and common food sensitivity triggers like wheat, corn, preservatives, and GMOs. These supplements are a vet-recommended form of allergy support.

Key Features:

  • Made with salmon oil, colostrum, and mushroom blend without fillers
  • Helps support itchy and dry skin
  • Supports skin, coat, joint, and immune health.
  • Vet-recommended for skin, allergy, and immune support

In a Nutshell:

Since this is a natural supplement, it will take time for the ingredients to support the immune system, so don’t expect it to start working immediately. Despite the aroma of salmon oil and turkey, some dogs might not find the flavor appealing.


  • Easy to use
  • Natural ingredients
  • Free from allergens
  • Promotes skin health
  • NASC quality seal of approval


  • Takes time to offer full allergy support

8. BEXLEY LABS Curaseb Medicated Treatment for Dogs

Curaseb antiseptic spray for dogs

Bexley Lab’s product is ideal if your dog has skin-related allergy symptoms, such as skin infections or hot spots. The company is dedicated to providing high-quality products to help your dog fight skin infections and get instant relief.

This dog allergy supplement is easy to apply as it can be sprayed. Curaseb Medicated Spray is safe for pets of all ages. It’s an alcohol-free solution for dogs, cats, and even horses with skin problems caused by unwanted foreign visitors. It contains aloe vera and vitamin E to help nourish and soothe various skin irritations. This supplement is formulated and recommended by veterinarians.

Key Features:

  • Aids in the treatment of skin infections, red patches, and acne
  • Contains aloe and vitamins for proper skin hydration
  • Delivers immediate relief from rashes

In a Nutshell:

The spray is easy to apply, but it has an overpowering smell. Customers noted that it seems to heal allergy symptoms faster than oral products.


  • Natural ingredients
  • Made in the USA
  • Liquid drops are easy to administer
  • Safe and efficient for both dogs and cats
  • Recommended and formulated by vets


  • The fragrance is overpowering

9. PetArmor Antihistamine Allergy Relief for Dogs

PetArmor allergy relief dog supplements

This dog allergy supplement comes in unflavored pills, so you’ll likely need to crush the pills and mix them with wet food. A pill pocket may also be a good way to serve them. These supplements are an easy-to-use at-home solution to help relieve sensitive, itchy skin and soothe insect bites and stings.

PetArmor Antihistamine Medication for Dog Allergies contains diphenhydramine, the same compound found in Benadryl Ultra tablets. The antihistamine works to regulate and normalize histamine levels in your dog. While the tablets are designed to combat allergy symptoms, including seasonal allergies, they are also effective against insect bites. PetArmor also recommends these tablets for travel anxiety.

Key Features:

  • The tablets are easy to swallow
  • An excellent option for insect bites and stings
  • Formulated with the same active ingredient as Benadryl Allergy Ultra Tablets
  • It may be given to your canine to help ease travel anxiety

In a Nutshell:

Some users reported that the pills were difficult to give, but most of the dogs that took the supplement were happier and more comfortable.


  • Effective for insect bites
  • It can help combat itchy skin
  • Affordable at-home treatment
  • Suitable for all dog sizes


  • It might be hard to give to picky dogs

10. StrellaLab Allergy Relief with Omega-3 Dog Chews

Allergy relief supplements for dogs

This supplement is designed to aid the digestive system, improve your dog’s immune system, and provide relief from uncomfortable allergy symptoms. This allergy-relieving immune treatment contains salmon oil rich in omega-3 fatty acids. Thus, the supplements are highly effective in tackling common seasonal and food allergy symptoms such as itching, shedding, or sneezing.

Each bite offers an exceptional blend of omega fatty acids, digestive enzymes, essential vitamins, and minerals, all promoting overall health from nose to tail. By encouraging a strong immune response and healthy digestion, these chews can help keep your dog’s allergies under control. They can relieve common symptoms, such as itching, redness, sneezing, and excessive paw licking. Plus, omega-3 fatty acids maintain healthy skin and a soft, shiny coat.

Key Features:

  • Made in the USA
  • No dangerous preservatives, flavor enhancers, or fillers
  • Made with omega-3 fatty acids to help maintain healthy skin and a shiny coat
  • Chicken-flavored soft chews take advantage of digestive enzymes

In A Nutshell:

It can be effective against skin allergies, insect bites, and other allergic reactions, and even picky dogs seem to love the flavor. However, some dogs may have difficulties digesting it.


  • Made in top-quality facilities
  • Boosts immune systems
  • Easy-to-serve chews
  • Effective for insect bites
  • Can combat itchy skin


  • Some dogs may not be able to digest it well

Buying Guide: Things to Consider with Dog Allergy Supplements

You’ll want to consider all your options before choosing the best dog allergy supplements. Compare quality, ingredients, and price when looking at solutions. Here are some aspects to keep in mind when shopping.

Soft Chews

Soft chews are generally the most accessible supplement form to administer. They contain both active and inactive ingredients and, as the name suggests, are soft enough to be easily chewed. Most manufacturers include some flavors to make the chews more appealing to a dog’s palate, but that’s not a guarantee. These supplements are a great option if you want your dog to think their supplement is a treat.


Tablets are a traditional pill form of canine medicine. If your dog eats anything you put in its mouth, it can be given quickly. Otherwise, if your dog is picky about what they eat, you may need to crush the tablet and mix it into food or hide it in a pill pocket.


Liquids are one of the most convenient options because you can choose how the liquid is given. If your dog cooperates, the simplest method is to drip the liquid into its mouth. Otherwise, you can pour the liquid on their food or treats. Liquid supplements aren’t a good choice if your dog tends to eat around medicine.


Supplements are a great way to boost your dog’s immune response. Things to look for in a supplement specially formulated for allergies are quercetin, colostrum, omega fatty acids, and other ingredients that benefit a dog’s skin, digestion, and immune system. The ingredients in the supplements are usually anti-inflammatory, which can help reduce sneezing, coughing, and skin irritations.


Supplements that contain ingredients backed by clinical studies or scientific studies can help dog parents feel at ease. Many supplements are recommended or formulated by veterinarians to ensure they’re as effective and safe as possible.

Cocker Spaniel itching

Frequently Asked Questions About Allergy Supplements for Dogs

How Do Dog Allergy Supplements Work?

Dog allergy supplements boost the immune system to help dogs fight allergies more effectively. Often, dogs lack essential nutrients, causing their immune systems to weaken, making it harder for them to fight off allergens.

So, dog allergy supplements often contain colostrum, probiotics, prebiotics, quercetin, omega-3 fatty acids, vitamins, minerals, antioxidants, and nutrients to boost immunity and support overall health.

What Supplements Should I Give My Dog for Itching?

When it comes to itching, the supplements on this list include a unique blend of natural ingredients designed to support and alleviate the symptoms of itching. Each product has unique ingredients and uses, so it’s up to you to decide which one meets your dog’s needs best.

What Are the Symptoms of Dry, Itchy Skin in Dogs?

While the obvious answer to this is “they are itchy,” there can be a few other symptoms of itchy skin in dogs. Your dog’s skin and coat may have red, irritated hot spots that can be uncomfortable or even painful. This can look like a flea problem, scabies, or other immune issues in some cases because your dog will bite and scratch so often that it starts to damage its skin and coat.

Do Supplements Work for Dog Allergies?

Yes, allergy supplements can help relieve your dog’s symptoms, thanks to ingredients like omega fatty acids and probiotics. Omega-3 fatty acids, commonly found in fish oils, have been shown in research studies to help reduce inflammation in allergic dogs. Omega-3s also support a shiny, healthy coat, along with joint and heart health. Probiotics support gut health, which has been shown to promote a healthy immune response to allergens.

How Can I Reduce My Dog’s Allergies Naturally?

Apple cider vinegar, coconut oil, or aloe vera can be rubbed into the skin to soothe itching. A soothing oatmeal bath can also relieve itching, burning, and dry skin. If those methods don’t help, consult a vet for other options.

Uncomfortable puppy


Allergy supplements for dogs are among the many ingredients that can help manage your pet’s itching, discomfort, and other related symptoms. Watching your pet struggle with allergies can be challenging, but you don’t have to witness it helplessly.

With the appropriate information and advice from your veterinarian, you can help alleviate your pet’s allergy symptoms and return them to a comfortable state. The best allergy supplements for dogs are often a great way to give them allergy relief.

iHeartDogs is reader-supported. When you buy via links on our site, we may earn an affiliate commission at no extra cost to you.


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