Best fish oil supplements for cats in 2026

fish oil supplements for cats
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Choosing the right fish oil for your cat supports skin health, joint mobility, and a glossy coat. Our top 10 list highlights Scottish salmon oils and omega-rich supplements trusted by UK pet owners. We prioritise purity, palatability, and value to help you select the best option for your feline friend's daily wellness routine.
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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)

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Pets Purest - 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)
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  • NO MORE ITCHY / DRY SKIN: Our ALL-NATURAL Scottish salmon oil formula is a liquid fish oil supplement designed to support any pets health, keeping them looking and feeling great. It is proven to reduce itching, dandruff and dry skin.
  • PACKED WITH OMEGA-3, 6, & 9 ESSENTIAL FATTY ACIDS: Our premium formula contains Omega-3, Omega-6, and Omega-9 fatty acids derived from EPA and DHA, known as triple omega. These nutrients help keep animal coats soft and support overall pet health.
€12.99
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BUGALUGS - Bugalugs Scottish Salmon Oil For Dogs & Cats, Dog Supplement Support for Skin And Coat, Itchy Skin & Moulting, Omega 3 Fish Oil (Salmon, 500ml)
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  • ITCHY, DRY SKIN & SCRATCHING – 100% pure scottish salmon oil for dogs is an all-natural fish oil to help dogs of all sizes treat & helps scratching, itchy skin, ears, paws & hydrate dry skin (no need for sprays or creams)
  • SOFT GLOSSY SILKY SHINY COAT – Omega 3 6 9 fatty acids which helps promote a soft glossy silky shiny coat while supporting overall health & wellbeing. Helps to reduce moulting & shedding hair, great for small, medium & large dogs
€11.87
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Hofseth Biocare - Brilliant Salmon Oil for Dogs, Cats, Puppy, Horse, Ferret & Pets - Pure Omega 3, 6 & 9 Fish Oil Food Supplement | Treats Itchy Skin, Joint Care, Heart Health & Natural Coat Hofseth BioCare (2x300ml)
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  • FRESH SMELL & NATURAL COLOUR: Our patented process for extracting salmon oil is second-to-none, all the omega 3 fish oil we produce is HUMAN GRADE, & 100% pure. We never use acid treatment; this is why our supplements smell fresh & look natural.
  • NO MORE ITCHY, DRY OR FLAKY SKIN: We invest in scientific studies to improve the health of your pet. The natural anti-inflammatory compounds within our formula treat moulting, manage cholesterol, soften paws, improve skin, & help arthritis.
€19.99
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Canine Ketchup - Pure Scottish Salmon Oil for Cats - 500ml | 100% Pure Natural Omega 3, 6 & 9 Fish Oil for Cats | Salmon Oil Cats - Cat Supplement - Omega 3 for Cats - Cat Fish Oil - Cat Salmon Oil | Kitty Ketchup
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  • DELICIOUS PURE SALMON OIL - Our pure Scottish salmon oil for cats enhances the taste and flavour of all cat food. Our salmon oil supplement is rich in natural omega 3, 6 & 9 for healthy and happy cats.
  • GLOSSY, HEALTHY COAT AND SKIN - Our tasty salmon oil omega 3 for cats will give your cat the healthiest coat & skin. Cats relish it!
€8.95 9.95 EUR
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BUGALUGS - Bugalugs Scottish Salmon Oil For Dogs & Cats, Dog Supplement Support for Skin And Coat, Itchy Skin & Moulting, Omega 3 Fish Oil (520ml, Salmon)
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  • ITCHY, DRY SKIN & SCRATCHING – 100% pure scottish salmon oil for dogs is an all-natural fish oil to help dogs of all sizes treat & helps scratching, itchy skin, ears, paws & hydrate dry skin (no need for sprays or creams)
  • SOFT GLOSSY SILKY SHINY COAT – Omega 3 6 9 fatty acids which helps promote a soft glossy silky shiny coat while supporting overall health & wellbeing. Helps to reduce moulting & shedding hair, great for small, medium & large dogs
€11.99
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Pets Purest - Pets Purest Scottish Salmon Oil For Dogs, Cats, Horse, Ferret & Pet - Pure Omega 3, 6 & 9 Fish Oil Food Treats Supplement for Natural Coat, Immune Support, Itchy Skin, Joint & Brain Health (1000ml)
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  • NO MORE ITCHY / DRY SKIN: Our ALL-NATURAL Scottish salmon oil formula is a liquid fish oil supplement designed to support any pets health, keeping them looking and feeling great. It is proven to reduce itching, dandruff and dry skin.
  • PACKED WITH OMEGA-3, 6, & 9 ESSENTIAL FATTY ACIDS: Our premium formula contains Omega-3, Omega-6, and Omega-9 fatty acids derived from EPA and DHA, known as triple omega. These nutrients help keep animal coats soft and support overall pet health.
€19.99
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Hofseth Biocare - Hofseth Biocare Brilliant Salmon Oil for Dogs, Cats, Puppy, Horse, Ferret & Pets - Pure Omega 3, 6 & 9 Fish Oil Food Supplement | Treats Itchy Skin, Joint Care, Heart Health & Natural Coat (1 Litre)
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  • FRESH SMELL & NATURAL COLOUR: Our patented process for extracting salmon oil is second-to-none, all the omega 3 fish oil we produce is HUMAN GRADE, & 100% pure. We never use acid treatment; this is why our supplements smell fresh & look natural.
  • NO MORE ITCHY, DRY OR FLAKY SKIN: We invest in scientific studies to improve the health of your pet. The natural anti-inflammatory compounds within our formula treat moulting, manage cholesterol, soften paws, improve skin, & help arthritis.
€23.99
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Pure & Natural - Pure & Natural Salmon Oil for Dogs & Cats, 300ml - Omega 3 Fish Oil for Cats and Dogs, Cat Joint Supplement and Dog Supplements for Itchy Skin and Coat Care
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  • Joint Health: Ideal joint supplements for cats and dogs, enhancing mobility and aiding dog & cat arthritis treatment.
  • Healthy Skin & Coat: Effective dog dry skin treatment and coat supplement for dogs, reducing itchiness and boosting hair growth.
€7.69
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Troo Health Care - Troo Health Care Omega 369 Pet Perfect Omega Fish Oil - for Dogs & Cats - 1000mg 120 Capsules - Daily Omega 3 6 9 Supplement for Pets - Help Maintain Healthy Skin & Coat - Support Immune & Heart
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  • IDEAL FOR CATS & DOGS - Troo O-Mega 369 Pet Perfect Fish Oil is a High Quality Omega Oil Supplement for Cats & Dogs. O-Mega 369 is easy to administer either eaten whole or punctured and mixed with food at your pets convenience.
  • OMEGA 369 PET HEALTH - Troo Pet Omega capsules provide a healthy balance of essential Omega Nutrients including EPA, DHA and with Vitamin E. Omega Oils are shown to help promote healthy skin and coat, as well as supporting healthy heart, joint and immune system function.
€9.97
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LEO's - Leo's Salmon Oil for Dogs and Cats | Premium 100% Natural Food Topper Fish Oil for Dogs and Cats | Enhances Coat Shine, Joint & Brain Health, Itchy or Dry Skin, and Dandruff Hair Treatment 500ml
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  • HEALS ITCHY / DRY SKIN - Leo's natural Salmon oil for dogs uk and cats is a liquid fish oil supplement designed to support any pet's health, always making sure they feel great for any adventure. Leo's Salmon oil is proven to reduce itching, dandruff, hair loss, and dry skin.
  • GLOSSY, SOFT FUR - Salmon fish oil for cats and dogs is recommended as a pet health aid for joint support, flaky skin, itch and hair loss. Rich in Omega 3 for dogs and cats for that soft, silky, luscious coat.
€13.47 14.98 EUR
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Our Expert Verdict: fish oil supplements for cats

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This curated list balances effectiveness, taste, and price. Liquid salmon oils generally offer better value and ease of use for most cats, while capsules suit those prioritising precise dosing. Always consult your vet before starting new supplements.

Market Overview: fish oil supplements for cats

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The UK market for pet supplements is growing, with a strong preference for natural, single-ingredient oils. Salmon oil dominates due to its taste, while capsules offer convenience. Consumers increasingly seek transparent sourcing and sustainability.

Buying Guide: fish oil supplements for cats

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Look for 100% pure oils without artificial additives. Check for high omega-3 concentrations and ensure the product is suitable for feline consumption. Palatability is key, so consider liquid toppers versus capsules.

Selection Criteria

We selected products based on ingredient purity, customer feedback on palatability, and overall value for money. We prioritised brands with transparent sourcing and positive reviews from UK pet owners regarding coat and skin improvements.

Budget Advice

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Entry-level options start around £7 for smaller volumes. Mid-range products offer better value per millilitre, typically between £10 and £15. Premium large bottles provide the best long-term cost efficiency for regular users.

Conclusion: fish oil supplements for cats

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Investing in quality omega supplements can significantly improve your cat's coat and comfort. Review our detailed comparisons to find the perfect fit for your budget and your pet's taste preferences. Read the full list to make an informed decision today.

Frequently Asked Questions

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Salmon oil is often preferred for its stronger aroma, which many cats find more appetising. Both provide essential omega-3s, but salmon oil is frequently easier for picky eaters to consume as a food topper.
Dosage depends on your cat's weight and the product's concentration. Always follow the manufacturer's guidelines on the bottle, typically starting with a small amount to ensure your cat tolerates it well.
Yes, the omega-3 fatty acids in fish and salmon oil have anti-inflammatory properties that can help soothe dry, itchy skin and reduce excessive scratching when used consistently as part of a balanced diet.

Related Lists

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

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Why Trust This List?

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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)
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