10 Best Fish Oil For Dogs of 2025

Discover the top fish oil supplements for dogs that boost health, shine their coat, and support joint mobility. Dive into our comparison to find the perfect fit for your furry friend's vibrant life!

Updated: July 28, 2025

1
Best Overall
15% Coupon
Natural Dog Company Salmon Oil Supplement - Rank 1 in Best Fish Oil For Dogs of 2025

Natural Dog Company Salmon Oil Supplement

  • Enhances coat shine with omega-3 fatty acids.
  • Easy-to-use pump for mess-free serving.
  • Supports joint health and mobility naturally.
9.9
(13,049 reviews)
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2
20% Coupon
Omega 3 Fish Oil for Dogs - Rank 2 in Best Fish Oil For Dogs of 2025

Omega 3 Fish Oil for Dogs

  • Enhances dogs' skin and coat health.
  • Supports joint and heart health effectively.
  • Reduces shedding and itching for comfort.
9.6
(3,944 reviews)
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3
Popular
Wild Alaskan Salmon Oil for Pets - Rank 3 in Best Fish Oil For Dogs of 2025

Wild Alaskan Salmon Oil for Pets

  • Promotes shiny coats and healthy skin.
  • Supports joint, heart, and immune health.
  • Made from natural, high-quality Alaskan salmon.
9.3
(66,005 reviews)
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4
$10 Coupon
Vital Pet Life Fish Oil Supplement for Dogs - Rank 4 in Best Fish Oil For Dogs of 2025

Vital Pet Life Fish Oil Supplement for Dogs

  • Promotes healthy skin and shiny coat.
  • Supports brain and heart health.
  • All-natural ingredients for allergy relief.
8.9
(6,945 reviews)
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5
Zesty Paws Fish Oil for Pets - Rank 5 in Best Fish Oil For Dogs of 2025

Zesty Paws Fish Oil for Pets

  • Supports healthy skin and shiny coat.
  • Contains essential Omega-3 fatty acids.
  • Promotes immune system health for pets.
8.7
(1,463 reviews)
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6
Hot Deal
16% off + 12% Coupon
Deley Naturals Dog Fish Oil for Skin Relief - Rank 6 in Best Fish Oil For Dogs of 2025

Deley Naturals Dog Fish Oil for Skin Relief

  • High-quality Icelandic fish oil for dogs.
  • Supports healthy coat and skin relief.
  • Made in the USA with natural ingredients.
8.5
(6,976 reviews)
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7
11% off + 40% Coupon
Wild Alaskan Salmon Oil for Pets - Rank 7 in Best Fish Oil For Dogs of 2025

Wild Alaskan Salmon Oil for Pets

  • Supports healthy skin and shiny coat.
  • Promotes joint and heart health effectively.
  • Made in the USA with pure ingredients.
8.2
(5,549 reviews)
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8
Zesty Paws Salmon Oil Dog Supplement - Rank 8 in Best Fish Oil For Dogs of 2025

Zesty Paws Salmon Oil Dog Supplement

  • Promotes healthy skin and shiny coat.
  • Supports joint health and mobility.
  • Delicious salmon flavor dogs love.
8.0
(11,768 reviews)
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9
30% Coupon
Wild Alaskan Salmon Oil for Dogs - Rank 9 in Best Fish Oil For Dogs of 2025

Wild Alaskan Salmon Oil for Dogs

  • Rich in Omega-3 and Omega-6 nutrients.
  • Convenient pump cap for easy dispensing.
  • Supports healthy skin and coat naturally.
7.9
(412 reviews)
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10
Best Affordable
Wonder Paws Omega 3 Fish Oil for Dogs - Rank 10 in Best Fish Oil For Dogs of 2025

Wonder Paws Omega 3 Fish Oil for Dogs

  • Combines salmon, cod, and krill oils.
  • Supports skin, joint, and heart health.
  • Reduces shedding and itching in dogs.
7.6
(2,856 reviews)
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Available on Amazon

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Overview of fish oil for dogs

Choosing the right fish oil for your dog can be a rewarding decision for their health and well-being. Fish oil supplements are known for their rich omega-3 fatty acids, which can promote a shiny coat, support joint health, and enhance overall vitality in dogs. Whether your furry friend is a playful puppy or a senior companion, incorporating fish oil into their diet can contribute to a happier, healthier life. This guide will explore some of the best fish oil options available, helping you make an informed choice tailored to your dog's specific needs.

Frequently Asked Questions

What are the benefits of giving fish oil to dogs?

Fish oil for dogs is packed with omega-3 fatty acids, which support healthy skin and coat, reduce inflammation, and promote joint health. It’s also known to boost heart health and can even improve cognitive function in older dogs.

How do I know the right dosage of fish oil for my dog?

The dosage of fish oil for dogs typically depends on their weight and health needs. It's best to follow the guidelines provided by the supplement manufacturer or consult your veterinarian to ensure your dog gets the appropriate amount without any risk.

Are there any side effects of fish oil for dogs?

While fish oil for dogs is generally safe, some dogs may experience mild side effects like stomach upset or diarrhea when first introduced. It's important to start with a lower dose and gradually increase it, while monitoring your dog for any adverse reactions.

Can fish oil for dogs help with allergies?

Yes, fish oil for dogs can be beneficial for managing allergies. The omega-3 fatty acids found in fish oil help reduce inflammation and can alleviate symptoms like itchy skin and excessive shedding, making it a great supplement for allergic dogs.

How do I choose the best fish oil supplement for my dog?

When selecting fish oil for dogs, look for a high-quality product that is pure and free from contaminants. Check for third-party testing for purity, and choose a reputable brand that clearly states the source of the fish oil, such as wild-caught fish.