10 Best fish oil for dogs (2025)

10 Best fish oil for dogs (2025) offer a range of health benefits, including improved coat condition, joint support, and enhanced immune function. These high-quality supplements are rich in omega-3 fatty acids, which are essential for your dog's overall well-being. Popular options include Nordic Naturals, Grizzly Salmon Oil, and Zesty Paws Omega 3, each known for their purity and effectiveness. When choosing the right fish oil, consider factors like sourcing, formulation, and your dog's specific health needs. With the right product, you can ensure your furry friend enjoys a healthier, happier life in 2025 and beyond.

Bestseller No. 1

Wild Alaskan Salmon Oil Formula for Dogs & Cats - Omega 3 Skin & Coat Support - Liquid Food Supplement for Pets - Natural EPA + DHA Fatty Acids for Joint Function, Immune & Heart Health 8.5oz

A pet supplement you can trust - Zesty Paws understands how much your pet’s wellness means to you, so they manufacture their Salmon Oil in FDA-registered facilities that are NSF and GMP-certified in the USA.
A tasty & body nourishing treat for cats & dogs - Essential fatty acids for a healthy coat.
Healthy, powerful Omega fatty acids - This premium Salmon Oil is rich with Omega-3 & Omega-6 fatty acid from EPA & DHA, that can help keep skin & coats soft & support the holistic health of your pet.
Help your pet stay looking great - The rich Omegas in Salmon Oil are a dog health supply to nourish skin and coat and keep your four-legged friend feeling happy every day.
Perfect for Skin & Coat -Salmon Oil provides nourishment to keep skin and coats in the best condition.

Bestseller No. 2

Fish Oil for Dogs - Healthy Skin & Coat, Salmon, Pollock, All Natural Supplement for Pets, Itching Scratching Allergy & Inflammation Defense, Omega 3 EPA DHA, Brain & Heart Health, 64 oz

SOFT, SHINY, & SMOOTH COAT - Does your dog, cat, ferret, horse, or energetic ball of fur have a dull, dry or coarse coat? Essential omega 3 fatty acids from our fish oil supplement will help support healthy skin and coats. You’ll want to hug them even more!
DRY SKIN, ITCHING, FLAKING, SHEDDING, & ALLERGIES? - Is your pet constantly itching or scratching due to dry skin and allergies? The essential fatty acids contained in fish oil help support natural allergy defense. Your pet will be much happier playing rather than itching and scratching.
INFLAMMATION & JOINT PROBLEMS? - Have you noticed your pet playing less and having trouble with common activities? The omega 3 in fish oil helps support joint and bone health and also supports a healthy immune system. Normal activities will be funner and more comfortable.
SUSTAINABLY SOURCED - Our fish oil has been sustainably sourced, ensuring healthy oceans and safeguarding seafood supplies for the future.
PROUDLY WOMEN-OWNED, FAMILY-OWNED, and US-OWNED - We are proud to be Family-owned, Woman-owned, and US-owned. Our products and ingredients are sourced globally so we can give our fur babies the best.

SaleBestseller No. 3

Omega 3 Fish Oil for Dogs - Better Than Salmon Oil for Dogs - Dog Fish Oil Supplement for Shedding, Allergy, Itch Relief - Supports Dry Skin, Joints - Dog Skin and Coat Supplement - Fish Oil Liquid

Reduce Shedding + Improve Skin and Coat - Plano Paws Wild Caught Omega 3 for Dogs is made with pure Anchovies, Herring, Mackerel, and Sardines from the clear ocean waters off the coast of Iceland.
Low Odor, Safe + Effective - Our pet liquid fish oil is human grade and molecularly distilled to remove harmful toxins and heavy metals to support joint health, skin, coat, heart, + immune system.
For All Breeds and Ages - Our fish oil for dogs liquid pump makes it easy to give your dog omega 3 oils they need to stay healthy and happy. Just squirt the fish oil onto your puppy or dogs food.
Sustainably Sourced - Our omega 3 fish oil dog supplement is loaded with healthy DHA and EPA omega 3 for dogs. Dog fish oil supplements may provide allergy and itch relief for dogs.
Our Mission - Plano Paws makes dog treats, dog health supplies and dog supplements you can trust. Plano Paws lives by 3 core principles. 1. Safe Ingredients. 2. Outstanding Effectiveness. 3. Exceptional Service.

Bestseller No. 4

Native Pet Omega 3 Fish Oil for Dogs 8 oz - Made with Wild Alaskan Salmon Oil for Dogs - EPA DHA - Supports Itchy Skin, Mobility - Liquid Pump is Easy to Serve - Omega 3 Oil for Dogs

Pure Alaskan Salmon Oil: Made with USA-sourced wild-caught Alaskan salmon, our dog salmon oil is a tasty Omega 3 liquid fish oil dogs will love. We use only the freshest ingredients to make this dog omega oil, perfect for your dog care routine and pet health
Vet-Designed Omega Blend: Our fish oil for dogs is created by top vet nutritionists, our omega 3 for dogs offers the best blend of fish oil, wheat germ oil, and biotin. Packed with EPA, DHA, and Vitamin E
Skin & Coat Defender: This omega 3 fish oil liquid fights itchy, sensitive skin with an ideal mix of omega 3, 6, and 9. It's a top choice for dog oil, making it a great addition to your daily dog supplements or dog food add-ins
Boosts Immunity & Joints: Our omega 3 oil for dogs enhances both immunity and mobility. The fatty acids in this dog omega 3 supplement help with inflammation and immune response, ensuring your pet feels their best
Easy Fish Oil Pump: Our fish oil dog food topper comes with a handy pump, making it simple to add to your dog's kibble. It's a delicious seafood flavor they' ll love

Bestseller No. 5

Salmon Oil for Dogs & Cats - Healthy Skin & Coat, Fish Oil, Omega 3 EPA DHA, Liquid Food Supplement for Pets, All Natural, Supports Joint & Bone Health, Natural Allergy & Inflammation Defense, 8 oz

SOFT, SHINY, & SMOOTH COAT - Does your dog, cat, ferret, horse, or energetic ball of fur have a dull, dry or coarse coat? Essential omega 3 fatty acids from our salmon oil supplement will help support healthy skin and coats. You’ll want to hug them even more!
DRY SKIN, ITCHING, FLAKING, SHEDDING, & ALLERGIES? - Is your pet constantly itching or scratching due to dry skin and allergies? The essential fatty acids contained in salmon fish oil help support natural allergy defense. Your pet will be much happier playing rather than itching and scratching.
INFLAMMATION, JOINT PROBLEMS, & ARTHRITIS? - Have you noticed your pet playing less and having trouble with common activities? The omega 3 in salmon fish oil helps support joint and bone health and also supports a healthy immune system. Normal activities will be funner and more comfortable.
SUSTAINABLY SOURCED - Our salmon oil has been sustainably sourced ensuring healthy oceans and safeguarding seafood supplies for the future.
PROUDLY WOMEN-OWNED, FAMILY-OWNED, and US-OWNED - We are proud to be Family-owned, Woman-owned, and US-owned. Our products and ingredients are sourced globally so we can give our fur babies the best.

SaleBestseller No. 6

Nutri-Vet Fish Oil Supplements for Dogs - Skin and Coat Omega-3 Supplement - Dog Dry Skin & Dog Shedding Support - Soothe Dog Dandruff & Itchy Skin - Promoting Shiny Coat - 100 Count Softgels

FISH OIL FOR DOGS - Nutri-Vet Fish Oil Softgels contain omega-3 essential fatty acids & antioxidants to help maintain a healthy skin and coat as well as support normal coat shedding. Our softgels provide them with a source of 180mg EPA and 120mg of DHA.
HEALTHY SKIN & COAT - Fish oil dog vitamin supplements help your dog maintain a healthy skin and coat and helps support normal shedding
OMEGA-3 FATTY ACIDS - Our premium fish oil formula is loaded with nourishing Omega-3 fatty acids for a boosted immune system and to help soothe dog itchy skin, dog dry skin, and dog dandruff
VETERINARIAN FORMULATED - Crafted with care by professionals, our fish oil for dogs is formulated by experienced veterinarians; Made with your pet in mind, our dog supplements ensure quality and safety for your dog
MADE IN THE USA - Proudly made in the USA with premium globally sourced ingredients, our fish oil carries the National Animal Supplement (NASC) quality seal; Pet supplies that are more than just effective, they're a symbol of quality, love, and care

SaleBestseller No. 7

PetHonesty Omega 3 Fish Oil Supplement for Dogs & Cats (32oz), Wild Caught Omega 3 Fish Oil for Skin and Coat Health, Supports Shedding, Skin & Coat, Immunity, Joint, Brain & Heart, EPA + DHA

Helps them look & feel great, inside & out - Pet Honesty’s Omega-3 Fish Oil for dogs & cats is a convenient way to add whole-body support to their daily routine. Picky pets can put up a fight when it comes to adding new things to their diet, but this tasty oil is like the cherry on top that’s secretly healthy & beneficial to their overall well-being. The perfect blend of four types of wild-caught fish packed inside every bottle will have them feeling their best & begging for more.
Vet-recommended, award-winning holistic health support - When you want to pack an easy punch to your pet’s health (without offending your nose in the process), this fish oil checks all the boxes. Recognized by ConsumerLabs for being a high-quality fish oil, this tasty topper spruces up boring meals & provides lasting benefits. It supports heart, brain, joint, & overall health, while also promoting a strong immune system. Plus, your pet will turn heads with their healthy, glossy coat!
Made with fresh wild-caught fish from Iceland - It’s like a fish fiesta in every bottle, with four kinds of fish (anchovy, herring, mackerel, & sardine) coming together to give your pet the ultimate health boost, without any foul smell. This 100% natural Omega-3 Fish Oil provides benefits from different types of omega-3s. EPA promotes a glossy coat & healthy skin. DHA supports brain, heart, immune, & joint health.
Pet Honesty pledge: A taste your pet will love & results you can trust. Made with the most effective natural + other premium ingredients. Formulated without corn, wheat, or soy. No artificial preservatives, colors, or flavors.
Manufactured in the U.S.A. | NASC member company - All Pet Honesty products are made in the US with US and globally sourced ingredients and are produced in a GMP-compliant facility that meets the highest safety standards so you can rest assured you're giving your pet the best quality product possible! Pet Honesty is also a NASC member company, meaning it’s met the highest quality and compliance standards for pet supplements.

Bestseller No. 8

Natural Dog Company Coldwater Atlantic Salmon Oil for Dogs (16oz) - Senior Dog Fish Oil Supplement with Omega 3, Easy to Digest for Senior Dog Fish Oil, Liquid Dog Fish Oil Joint Support Supplement

HOLISTIC WELLBEING BOOST: Elevates your senior dog’s health by enhancing skin and coat, supporting joints, and boosting immunity. This milder concentration is gentle on digestion, making it the perfect choice for older dogs. Ensure your dog stays active and vibrant with our premium omega 3 fish oil for dogs.
ESSENTIAL OMEGA BOOST: Pure Atlantic salmon oil for dogs, rich in essential fatty acids, omega-3 & omega-6 is affordable, delicious, and perfect for senior dogs. Our omega oil for dogs ensures your pet receives the best care, enhancing their health and happiness without the high cost.
COMPLETE NUTRITION BOOST: Supports optimal digestion and promotes heart health. This fish oil for dogs ensures your pet receives essential nutrients for a healthy digestive system and a strong heart. Perfect for senior dogs needing extra care, enhancing their overall wellness.
FULL SPECTRUM SUPPORT: Support joint health and overall mobility. Perfectly complements our Hip and Joint Chew for maximum effect. This fish oil for dogs provides the essential nutrients needed to keep your senior dog active and agile, ensuring they enjoy a vibrant life.
SUSTAINABLE & RESPONSIBLE: Our Atlantic salmon is sourced from the USA using sustainable fishing practices, minimizing environmental impact. The recyclable packaging aligns with our eco-friendly values. This omega 3 fish oil for dogs is a responsible choice for conscientious pet owners.

SaleBestseller No. 9

Wild Alaskan Salmon Oil for Dogs & Cats - Pure Fish Omega 3 6 9 Liquid EPA DHA Fatty Acids - Skin & Coat Supplement - Supports Joint Function, Brain, Eye, Immune & Heart Health - Made in USA 32 oz

A Tasty & Body-nourishing Treat For Cats & Dogs - this Pure Salmon Oil from LEGITPET is a natural fish oil additive supplement that support the skin, coat, hips and joints, heart, and immune system.
Powerful Omega Fatty Acids - this premium Salmon Oil is rich with Omega-3 and Omega-6 fatty acid from EPA and DHA, which can help to keep skin and coats soft and healthy.
Help Your Pet Stay In Great Shape - the rich fatty acids found in Salmon Oil have been shown to support joint, heart, and immune function to keep your four-legged friend feeling lively and active every day, without the fuss.
A Treat For Pets That's Easy & Mess-free - for pet parents looking for an alternative to capsules or soft chews, all it takes is a few quick pumps of this liquid Salmon Oil to mix nicely with your dog or cat foods. Small, medium, and large breeds love it. Compatible with kibble, wet food and raw B.A.R.F fans as well.
A Pet Supplement You Can Trust - LEGITPET understands how much your pet’s wellness means to you, so they manufacture their Salmon Oil in FDA-registered facilities that are NSF and GMP-certified in the USA

Bestseller No. 10

Nordic Naturals Omega-3 Pet, Unflavored - 16 oz - 1518 mg Omega-3 Per Teaspoon - Fish Oil for Large to Very Large Dogs with EPA & DHA - Promotes Heart, Skin, Coat, Joint, & Immune Health

WHY OMEGA-3 PET - This Nordic Naturals pet product is made with the same exceptional quality oil as our human products, but has been specially formulated for your dog. Omega-3 Pet features omega-3 fish oil in liquid form.
PROACTIVE PROTECTION FOR YOUR PUP - Research shows that the essential fatty acids EPA & DHA in fish oil help support your pet’s heart, skin & coat, immune & joint health.
YOUR PETS DESERVE THE BEST - All of our omega-3 fish oils are in the triglyceride molecular form (the form naturally found in fish) for optimal absorption. Please use only our pet products for your dog or cat, not our human products.
PURITY GUARANTEED - Every batch of Nordic Naturals fish oil is crafted from fresh, wild-caught, omega-rich fish. We are committed to using only non-GMO, gluten- & dairy-free ingredients with no artificial colors, flavors, or preservatives.
ETHICAL INNOVATION - Nordic Naturals has always been at the forefront of sustainable & ethical practices in the natural products industry. Our fish oils are Friend of the Sea certified & sustainably made in a zero waste facility powered by biofuel.

Related Posts