Best Fish Oil Supplements for dogs of 2026

Chloe Foster Avatar
Chloe Foster
Last Updated: 8 Feb 2026

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Fish oil supplements for dogs have become increasingly popular in recent years due to their numerous health benefits. These supplements are made from the oil of fatty fish such as salmon, mackerel, and sardines. They are rich in omega-3 fatty acids, which have been shown to improve a dog's skin and coat health, reduce inflammation, and support heart and brain function. While these supplements should not be used as a replacement for a balanced diet, they can be a helpful addition to a dog's daily routine.

At a Glance: Our Top Picks

Pets Purest Scottish Salmon Oil for Pets Cover #TOP 1
Pets Purest Scottish Salmon Oil for Pets
ftb score rating icon 9.9
Bugalugs Scottish Salmon Oil for Dogs & Cats Cover #TOP 2
Bugalugs Scottish Salmon Oil for Dogs & Cats
ftb score rating icon 9.8
Pooch & Mutt Natural Salmon Oil Supplement Cover #TOP 3
Pooch & Mutt Natural Salmon Oil Supplement
ftb score rating icon 9.6

Top 10 Fish Oil Supplements for dogs

#TOP 1

Pets Purest Scottish Salmon Oil for Pets

PP-SALM
500 ml (Pack of 1)
Pets Purest Scottish Salmon Oil for Pets Cover
Pets Purest Scottish Salmon Oil For Dogs, Cats, Horse, Ferret - Pure Omega 3, 6 & 9 Fish Oil Food Treats Supplement for Natural Coat, Immune Support, Itchy Skin, Joint & Brain Health (500ml)

Pets Purest Salmon Oil is an all-natural fish oil supplement designed to keep your pets healthy and comfortable. It effectively alleviates itchy and dry skin, ensuring your furry friends look and feel their best. Packed with Omega-3, 6, and 9 fatty acids, this formula promotes a soft coat and supports overall health. By simply adding it to your pet's food, you can also enhance their brain and heart health, making it a convenient addition to their daily routine.

What We Like
Reduces itchy and dry skin
Packs essential Omega fatty acids
Supports brain and heart health
Easy to add to pet food
Suitable for all pet sizes
#TOP 2

Bugalugs Scottish Salmon Oil for Dogs & Cats

BLSTTSL500
Brown
500ml
Bugalugs Scottish Salmon Oil for Dogs & Cats Cover
Bugalugs Scottish Salmon Oil For Dogs & Cats, Dog Supplement Support for Skin And Coat, Itchy Skin & Moulting, Omega 3 Fish Oil (Salmon, 500ml)

Bugalugs Salmon Oil is a natural supplement designed to improve your pet's skin and coat. It alleviates itchy, dry skin and reduces scratching, providing relief without the need for sprays or creams. This oil is rich in Omega 3, 6, and 9 fatty acids, promoting a soft and shiny coat while supporting overall health. Additionally, it aids joint health and boosts the immune system, ensuring your furry friend stays active and healthy. Easy to use, simply drizzle it over or mix it into your dog's food for a mess-free experience.

What We Like
Reduces itchy, dry skin
Promotes shiny, healthy coat
Supports joint health
Easy to use
All-natural and cruelty-free

Pooch & Mutt Natural Salmon Oil Supplement

salmonoil
500 ml (Pack of 1)
Pooch & Mutt Natural Salmon Oil Supplement Cover
Pooch & Mutt - Natural Salmon Oil Supplement for Dogs and Cats (Rich in Omega 3, 6 and 9), 500ml

Pooch & Mutt Salmon Oil is a natural supplement designed for both dogs and cats, packed with omega 3 fatty acids. This oil can significantly enhance your pet's skin and coat quality, making it softer and shinier. It also supports cardiovascular health, ensuring your furry friend has a strong and healthy heart. Additionally, it aids joint function and mobility, allowing your pet to move with ease. Furthermore, it contributes to cognitive brain function, helping to keep your pet sharp and alert.

What We Like
Rich in omega 3 fatty acids
Improves skin and coat quality
Supports cardiovascular health
Aids joint function
Enhances cognitive function
#TOP 4

Forthglade Scottish Salmon Oil Dog Supplement

100752
Orange
500ml
Forthglade Scottish Salmon Oil Dog Supplement Cover
Forthglade Scottish Salmon Oil for Dogs (1 x 500ml), UK Sourced Omega 3 Fish Oil Dog Joint Supplement for Pets Aged 4+ Months, 100% Natural Premium Quality Dog Vitamins for Everyday Wellbeing

Forthglade Salmon Oil is a 100% natural Scottish salmon fish oil designed to support your dog's everyday wellbeing. Packed with Omega 3, 6, and 9, it helps maintain healthy skin and a shiny coat, while supporting heart, brain, and joint health. Its natural anti-inflammatory and immune-boosting properties make it an ideal supplement for dogs aged four months and older. Ethically and sustainably sourced from Scottish waters, this salmon oil comes with a convenient dispenser pump that ensures mess-free use, making it easy for you to add to your pet’s diet.

What We Like
100% natural Scottish salmon oil
Supports skin and coat health
Boosts immunity and reduces inflammation
Sustainably sourced and ethical
Easy-to-use dispenser pump
#TOP 5

Hofseth BioCare Brilliant Salmon Oil for Pets

Hofseth Biocare
300 ml (Pack of 2)
300 ml (Pack of 2)
Hofseth BioCare Brilliant Salmon Oil for Pets Cover
Brilliant Norwegian Salmon Oil for Dogs, Cats, Horse, Ferret - Pure Omega 3, 6 & 9 Fish Oil Food Treats Supplement for Natural Coat, Immune Support, Itchy Skin, Joint & Brain Health - 2x300ml

Hofseth BioCare Salmon Oil is a premium fish oil supplement designed for pets, offering a fresh smell and natural colour. Its unique extraction process ensures that you receive human-grade oil without harsh chemicals. This supplement effectively combats itchy, dry, or flaky skin by utilising natural anti-inflammatory compounds. It also provides essential omega 3, 6, and 9 fatty acids, which support joint health and overall well-being. With this product, you can easily enhance your pet's diet and witness improvements in their coat and skin health.

What We Like
High-quality human-grade oil
No chemicals or additives
Effective for skin issues
Supports joint and heart health
Easy to add to meals
#TOP 6

Posh Pooch Scottish Salmon Oil 1L Omega 3,6,9

PP-Salmon
Orange
1 Litre (1000ml)
Posh Pooch Scottish Salmon Oil 1L Omega 3,6,9 Cover
Scottish Salmon Oil For Dogs & Cats 1 Litre Omega 3,6,9 Vitamin E, Pure Fish Oil Promotes Coat, Enhanced Appetite, Relieves Itchiness, Increase Energy Kibble Supplement Booster (1 Litre (1000ml))

Posh Pooch Salmon Oil is a natural supplement made from pure Scottish salmon oil, ideal for dogs and cats. It helps relieve itching, dry skin, and scratching, making your pet more comfortable. Rich in Omega 3, 6, 9 and Vitamin E, it supports your pet’s metabolism and is delicious to consume. The oil also promotes healthy bones, skin, and fur quality, so you can keep your furry friend feeling vital and looking great at any age.

What We Like
Relieves itching and dry skin
Rich in essential fatty acids
Supports bone and metabolism health
Improves coat quality and shine
#TOP 7

Cod Liver Oil for Dogs 550mg Soft Gel Capsules

5056049510104
Cod Liver Oil for Dogs 550mg Soft Gel Capsules Cover
Cod Liver Oil 550mg for Dogs | 180 Soft Gel Capsules | Support the Health of The Skin and Coat | Manufactured in the UK | Made with MSC-Certified Cod Liver Oil

The Cod Liver Oil for Dogs provides essential fatty acids and vitamins A and D, promoting heart, brain, eye, joint, bone, and teeth health. This supplement supports the maintenance of healthy skin and enhances the gloss and shine of your dog's coat. The unique soft gel capsules are small and easy to conceal in your pet’s meals, making it easier for you to administer the supplement. Manufactured in the UK, these capsules are produced in GMP-approved facilities, ensuring the highest quality for your furry friend.

What We Like
Supports skin and coat health
Easy to give soft gel capsules
Contains essential fatty acids
Manufactured in the UK
High-quality assurance standards
#TOP 8

Primary Pets Omega 3 Fish Oil for Dogs

Primary Pets Premium Pet Supplies
60 Capsules
Primary Pets Omega 3 Fish Oil for Dogs Cover
Primary Pets Premium Pet Supplies - Omega 3 Fish Oil for Dogs. 60 x 1000mg Oil Capsules. Supports Healthy Skin and Shiny Coat, Maintains Joint and Brain Health, Helps Maintain Immune System

Primary Pets Fish Oil offers a premium supplement for your dog’s overall health. Each 1000mg soft gel capsule is packed with Omega 3, 6, and 9, which supports a healthy coat, skin, heart, and brain function. This product is especially beneficial for improving your dog's skin and coat condition, providing relief from itching and inflammation. Additionally, it serves as a joint supplement, easing joint pain and enhancing mobility. With its easy administration options, you can seamlessly incorporate it into your pet's diet, ensuring their well-being from puppyhood through to their senior years.

What We Like
Supports a healthy coat
Reduces joint pain
Easy to administer
Manufactured to high standards
#TOP 9

Pawbits Scottish Salmon Oil Omega 3+6+9

PB-SSO-1000ML
1 l (Pack of 1)
Pawbits Scottish Salmon Oil Omega 3+6+9 Cover
Pawbits 1 Litre Scottish Salmon Oil For Cats & Dogs - Natural Omega 3+6+9, Healthy Coat & Immune System Fish Oil

The Pawbits Salmon Oil is a natural supplement rich in Omega 3, 6, and 9 fatty acids, designed to boost your pet’s immune system, support joint health, and promote a shiny, healthy coat for all breeds and sizes. It is made from pure, ethically sourced Scottish salmon oil, ensuring high quality and natural goodness for your pet. The included no-mess pump makes it easy to add the right dose to your pet’s food or directly into their mouth, helping to improve their mood, happiness, and overall health with minimal effort.

What We Like
Rich in Omega 3, 6, 9
Supports immune and joint health
Easy no-mess pump dispenser
Suitable for all pet sizes
Ethically sourced Scottish salmon
#TOP 10

The Regal Mutt Scottish Salmon Oil for Pets 1L

RM0153
Salmon Oil
1 l (Pack of 1)
The Regal Mutt Scottish Salmon Oil for Pets 1L Cover
The Regal Mutt - Scottish Salmon Oil For Dogs, Cats, Horses, Ferrets - 1 Litre Bottle

The Regal Mutt Salmon Oil is a natural supplement designed to improve your pet's skin and coat by reducing itchiness, dryness, and flakiness. Packed with Omega-3, 6, and 9 fatty acids, it supports better skin condition, brain function, and heart health, helping your pet stay healthy and vibrant. It is easy to use—simply pump the tasty salmon oil onto your pet’s meal, making it a convenient way to ensure they get essential nutrients without fuss. Made from 100% natural Scottish salmon oil, it contains no artificial additives, keeping your pet’s diet pure and wholesome.

What We Like
Reduces itchy, dry skin
Rich in Omega fatty acids
Easy to add to meals
100% natural ingredients
Supports brain and heart health
Buying Guide Image

Frequently Asked Questions (FAQs)

1. Is it OK to give your dog fish oil pills?

Fish oil is one of the best supplements to add to your dog's diet. Fish oil supports your canine companion's heart health, promotes a silky coat, reduces itchy and flaky skin, and can help relieve allergies and joint pain. It can even help strengthen their immune system and could help them fight canine cancer.

2. How much fish oil do I give my dog?

The recommended dose of fish oil is 75-100 mg/ kg total EPA/DHA. CARE typically recommends about 100 mg/kg. Please note that there is an upper limit on how much Omega 3 is good.

3. Should I give my dog fish oil everyday?

Since your dog's food should provide good quality omega-3 fatty acids already, most pet parents add fish oil to a daily diet when recommended by a veterinarian for specific health issues.

Editor's Notes

During our fish oil supplement for dogs research, we found 134 fish oil supplement for dogs products and shortlisted 10 quality products. We collected and analyzed 154,906 customer reviews through our big data system to write the fish oil supplements for dogs list. We found that most customers choose fish oil supplements for dogs with an average price of £14.19.

The fish oil supplements for dogs are available for purchase. We have researched hundreds of brands and picked the top brands of fish oil supplements for dogs, including Pets Purest, BUGALUGS, Pooch & Mutt, Forthglade, Hofseth Biocare.

Written by
Chloe Foster Avatar

Happy Pet Happy Owner by Chloe Foster sold over 100 thousand copies in the UK. Chloe worked as a veterinarian in The Veterinary Medicines Directorate, Woodham. She stayed for seven years before coming home to set up her pet store in Swansea. Chloe is an experienced veterinarian with a flair for literature. Chloe is vast in the knowledge of animals, animal nutrition, medication, and care.