Top 5 Dog Fish Oil Supplements

Peter Armani | 18-01-2026

Fish oil supplements are a popular way to support your dog’s skin, coat, and overall health. With options ranging from liquid oils to soft chews and capsules, finding the right format can make daily supplementation easy and effective. This guide compares a variety of dog fish oil supplements to help you choose the most practical option for your pet’s needs.

Editor's Choice
Zesty Paws Wild Alaskan Omega-3 Blend Pollock + Salmon Oil
Zesty Paws Wild Alaskan Omega-3 Blend Pollock + Salmon Oil
Premium Pick
Zesty Paws Wild Alaskan Omega-3 Blend Pollock + Salmon Oil
Zesty Paws Wild Alaskan Omega-3 Blend Pollock + Salmon Oil
Budget Pick
Nordic Naturals Omega-3 Pet Unflavored Soft Gels
Nordic Naturals Omega-3 Pet Unflavored Soft Gels

Top 5 Dog Fish Oil Supplements

We researched and compared the top products in the Dog Fish Oil Supplements category to provide you with these recommendations.

1. Zesty Paws Wild Alaskan Omega-3 Blend Pollock + Salmon Oil

Omega-Rich Nutrition
Zesty Paws Wild Alaskan Omega-3 Blend Pollock + Salmon Oil
9.1

Zesty Paws

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This blend is a liquid supplement meant for easy mixing with meals, offering a mild fish aroma and smooth consistency. It's often chosen for daily support of skin and coat health, particularly for dogs with dull or dry fur. The pump bottle makes it convenient to measure and serve.

What We Like:

  • High in omega-3 fatty acids
  • Supports coat shine and skin comfort
  • Simple to add to meals
  • Gentle formula for regular use
  • Also suitable for cats

What Could Be Improved:

  • Fishy scent may linger
  • Not a spot treatment for localized dryness

2. Zesty Paws Wild Alaskan Omega-3 Blend Pollock + Salmon Oil

Liquid Food Booster
Zesty Paws Wild Alaskan Omega-3 Blend Pollock + Salmon Oil
9.5

Zesty Paws

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This liquid supplement blends pollock and salmon oil, making it easy to mix into your dog's food. The texture is smooth and the pump bottle allows for quick portioning during mealtime. It's a practical choice for pet owners who prefer not to use chewable treats and want to add nutrients directly to meals.

What We Like:

  • Simple pump dispenser
  • Mixes easily with food
  • Suitable for multiple pets
  • Targets skin and coat nourishment
  • Supports immune and joint health

What Could Be Improved:

  • May have a strong fish aroma
  • Requires careful portioning for small dogs

3. Nordic Naturals Omega-3 Pet Unflavored Soft Gels

Softgel Convenience
Nordic Naturals Omega-3 Pet Unflavored Soft Gels
9.1

Nordic Naturals

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These unflavored soft gels are designed for dogs who may be sensitive to strong tastes or smells. The capsules are easy to conceal in food or treats, making daily supplementation straightforward for most pet owners. This format is often chosen for dogs who resist liquid oils or chews.

What We Like:

  • Easy to hide in food
  • Minimal odor and taste
  • Supports heart, skin, and coat health
  • No artificial additives
  • Sourced from wild-caught fish

What Could Be Improved:

  • Larger dogs may need multiple capsules
  • Not ideal for dogs who dislike pills

4. BARK&SPARK Omega 3 for Dogs Fish Oil Treats

Easy Omega Supplement
BARK&SPARK Omega 3 for Dogs Fish Oil Treats
8.7

Bark&spark

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These soft chews offer a simple way to add omega-3s to your dog's diet, with a texture most dogs find appealing. The fish oil base is designed for palatability, making it a convenient treat alongside regular meals. This option is practical for daily use and suits pet owners looking for a hands-off approach to supplementation.

What We Like:

  • Simple to serve as a treat
  • Supports skin and coat condition
  • Can be used with regular food
  • Made with human-grade ingredients
  • Large supply per container

What Could Be Improved:

  • Not a complete food replacement
  • May not appeal to dogs sensitive to fish flavors

5. Chew + Heal Labs Salmon Oil for Dogs

Supports Soft Fur
Chew + Heal Labs Salmon Oil for Dogs
8.7

Chew + Heal Labs

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This liquid supplement is designed to be mixed into your dog's food, providing a smooth texture that blends easily. It's commonly used to help maintain a soft, shiny coat and support skin comfort, especially for dogs with occasional dryness. The addition of vitamin E offers extra antioxidant support for everyday wellness.

What We Like:

  • Contains omega-3 and vitamin E
  • Promotes soft, shiny coat
  • Simple liquid dosing
  • Made in the USA
  • Suitable for all dog sizes

What Could Be Improved:

  • Noticeable fish aroma
  • Not designed for topical use

How to Choose Dog Fish Oil Supplements

Choosing a supplement format that fits your dog's routine makes daily use easier and more effective.

Supplement Form: Liquid, Chew, or Softgel

Liquids are ideal for dogs who eat everything in their bowl, while chews work well for treat-motivated pets. Softgels are best for dogs who resist strong flavors or for owners who prefer a low-odor option.

Omega-3 Source and Purity

Wild-caught oils and minimal additives are valued for long-term use. Added antioxidants like vitamin E can help maintain freshness.

Dosing and Dog Size

Smaller dogs may need precise dosing, especially with liquids. Chews and softgels often have pre-measured amounts for convenience.

Palatability and Aroma

If your dog is picky, consider a format with minimal odor or a treat-like chew to encourage regular use.

Additional Ingredients and Allergens

Simple ingredient lists help reduce the risk of reactions, especially for dogs with food allergies or sensitivities.

FAQ For Dog Fish Oil Supplements

1. What are the main benefits of fish oil supplements for dogs?

Fish oil supplements are commonly used to support healthy skin and coat, promote joint comfort, and provide omega-3 fatty acids that may benefit overall wellness in dogs.

2. How do I choose between liquid, chew, and softgel fish oil supplements for my dog?

Consider your dog's preferences, ease of administration, and your daily routine. Liquids mix well with food, chews are easy to serve as treats, and softgels are useful for dogs who dislike strong flavors.

3. Can fish oil supplements be given to dogs of all sizes?

Most fish oil supplements are formulated for a range of dog sizes, but always check the dosing instructions to ensure the correct amount for your dog's weight.

4. Are there any side effects to giving my dog fish oil supplements?

Some dogs may experience mild digestive upset if given too much fish oil. It's important to follow dosing guidelines and consult your veterinarian if you have concerns.

5. Should I look for specific types of fish oil for my dog?

Supplements sourced from wild-caught fish and with minimal additives are often preferred for purity and quality. Always check the ingredient list for any potential allergens.
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Peter Armani

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