The right cat fish oil supplements can help your cat’s health in more ways than you may realize. If your cat suffers from hairballs, a cat fish oil supplement can help minimize the amount of hair they cough up and make grooming easier. If they’re not so graceful, cat fish oil can help improve their balance and coordination. And if they’re not so bright, cat fish oil can help support their brain health.
So, which cat fish oil supplements are the best? Here are our top picks.
Our Editor’s Best Cat Fish Oil Supplements Reviews
Bestseller No. 1
Zesty Paws Wild Alaskan Omega-3 Blend Pollock + Salmon Oil for Dogs and Cats- Skin and Coat Support, Omega 3 Supplement for Pets, 8.5oz
- SKIN & COAT NOURISHMENT: Fish oil for dogs and cat like Wild Alaskan Salmon Oil provides omega-3 fatty acids, helping maintain a shiny coat and nourished skin
- OMEGA 3 HEALTH SUPPORT: Our omega 3 fish oil for dogs and cats is packed with EPA and DHA, supporting overall pet health, supporting the immune system, joints, and heart function
- EASY-TO-MIX FORMULA: Avoid capsules with this easy salmon oil for cats and dogs; simply add a few pumps to food for a nutritious boost
- NOURISHES SKIN: This cat and dog oil for skin and coat is gentle, making it a key part of cat and dog health supplies
- BOOST IMMUNE SYSTEM: Rich in omega 3, this cat and dog salmon oil not only supports skin and coat health but also strengthens immune function and overall well-being, fitting dog health needs
$16.97
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Bestseller No. 2
Wild Alaskan Salmon Oil for Dogs & Cats, Fish Oil Omega 3 Supplements with EPA & DHA for Skin & Coat, Immune, Brain, Joint and Heart Health, Dog & Cat Fish Oil Supplements with Pump- 8 oz
- Salmon Oil for Dogs and Cats You Can Trust: HEAPETS fish oil for dogs and cats are manufactured in FDA-registered facilities that are GMP-certified. Each salmon oil is tested by third-party to ensure it meets standards for quality and safety.
- All-round Wellness: Our wild alaskan salmon oil formula is a natural source of omega-3 fatty acids (including EPA and DHA), which contribute to your pet's skin, coat, immune, brain, joint, and heart health, taking care of your pet's overall health.
- Keep Your Pet Looking Great: Omega 3 fish oil are dog and cat skin and coat supplement to maintain normal skin moisture, relieve itchy skin, support shiny coats and reduce shedding.
- Delicious and Healthy Fish Oil : Our dog & cat fish oil are made with natural ingredients without any filler oils, soy, corn, wheat, artificial flavors and synthetic colour. It has no strong fishy smell, which will be loved by your dog or cat.
- Easy to Use: Our omega 3 fish oil liquid is suitable for dogs and cats of all ages, sizes and breeds. It came with 2 options a cap or pump for the bottle, making it easy to mix it in their food.
SaleBestseller No. 3
Nordic Naturals Omega-3 Cat, Unflavored - 2 oz - 304 mg Omega-3 Per One mL - Fish Oil for Cats with EPA & DHA - Promotes Heart, Skin, Coat, & Immune Health - Non-GMO
- Why omega-3 cat - This Nordic Naturals pet product is made with the same exceptional quality oil as our human products, but has been specially formulated for your cat; Omega-3 Cat features omega-3 fish oil in liquid form
- Proactive protection for your cat - Research shows that the essential fatty acids EPA & DHA in fish oil help support your pet’s heart, skin & coat, immune health
- Give them 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 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 is proud to be at the forefront of sustainable & ethical practices in the natural products industry. Through science & innovation, we are committed to delivering safe, effective nutrients to support foundational wellness.
$15.26
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Bestseller No. 4
Zesty Paws Wild Alaskan Omega-3 Blend Pollock + Salmon Oil for Dogs and Cats- Skin and Coat Support, Omega 3 Supplement for Pets, 32oz
- SKIN & COAT NOURISHMENT: Fish oil for dogs and cat like Wild Alaskan Salmon Oil provides omega-3 fatty acids, helping maintain a shiny coat and nourished skin
- OMEGA 3 HEALTH SUPPORT: Our omega 3 fish oil for dogs and cats is packed with EPA and DHA, supporting overall pet health, supporting the immune system, joints, and heart function
- EASY-TO-MIX FORMULA: Avoid capsules with this easy salmon oil for cats and dogs; simply add a few pumps to food for a nutritious boost
- NOURISHES SKIN: This cat and dog oil for skin and coat is gentle, making it a key part of cat and dog health supplies
- BOOST IMMUNE SYSTEM: Rich in omega 3, this cat and dog salmon oil not only supports skin and coat health but also strengthens immune function and overall well-being, fitting dog health needs
$36.97
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SaleBestseller No. 5
Nordic Naturals Omega-3 Pet, Unflavored - 2 oz - 294 mg Omega-3 Per One mL - Fish Oil for Small Dogs & Cats with EPA & DHA - Promotes Heart, Skin, Coat, & 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 cat or small breed 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 health.
- GIVE THEM 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 is proud to be at the forefront of sustainable & ethical practices in the natural products industry. Through science & innovation, we are committed to delivering safe, effective nutrients to support foundational wellness.
$14.84
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Bestseller No. 6
Omega 3 Fish Oil for Cats - Promotes Healthy Skin, Shiny Coat, & Strong Joints - No More Cat Dandruff - 4 oz with EPA & DHA 330 mg Omega-3's per 1 mL - Freshly Bailey
- Premium Omega 3 for Cats by Freshly Bailey - Formulated just for cats, Freshly Bailey’s omega 3 fish oil supports healthy skin, coat, joints, and overall wellness. Made with high-quality ingredients and trusted by pet owners and vets—no artificial flavors or preservatives.
- Skin, Coat, and Immune Support - Rich in EPA and DHA, this omega 3 supplement helps reduce dandruff, shedding, and itchy skin while promoting a soft, shiny coat. Many cat parents notice visible improvements within days—even in seniors with fur loss or mobility issues.
- Optimal Absorption in Natural Form - Freshly Bailey’s fish oil for cats is made in the natural triglyceride form—the same structure found in whole fish—allowing for easier absorption and maximum benefits from every drop.
- Easy to Use and Cat-Approved - With a mild taste and scent, this omega 3 oil blends effortlessly into wet or dry food—even for picky eaters. Includes a measured dropper for accurate dosing without mess or stress.
- Pure Ingredients You Can Trust - Crafted from wild-caught, omega-rich fish and made to the highest standards. This fish oil for cats is non-GMO, gluten-free, dairy-free, and contains no artificial additives—just clean, effective nutrition from Freshly Bailey.
$14.99
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Bestseller No. 7
Omega 3 Fish Oil Supplement for Dogs & Cats (16oz), Wild Caught Omega 3 Fish Oil for Skin and Coat Health, Supports Shedding, Skin & Coat, Immunity, Joint, Brain & Heart, EPA + DHA
- VITAL FOR THEIR VITALS: Our fish oil for dogs is a bottleful of benefits. Essential fatty acids promote a shiny coat & healthy skin, so your pet won’t just look like best in show, they’ll feel like it too. Our dog omega-3 supplement supports brain, heart, immune & joint health as well as mobility, so your pup can play on & on. It also supports healthy inflammatory pathways, nutrient absorption, digestion & gut health. You might just say it's the overachiever of supplements.
- ON THE INSIDE: Our dog fish oil supplement is packed with powerful ingredients that help fuel your dog every day. Made with 100% Pure caught wild fish from Alaska, your pet will be getting the very best, because that’s what they deserve. High in omega-3 fatty acids for dogs & low in mercury & toxins, pollock & cod aren fish that support joint, heart, coat, brain & overall health. Plus omega-3 EPA DHA provides itchy skin relief for dogs. Our 100% natural oil for dogs skin & coat is 100% worth reeling in.
- PURE & SIMPLE: Your dog is more than a pet, they’re a member of the family, & they deserve the best. That’s why our fish oils are sustainably sourced from Alaska, & third party tested for transparency & purity to ensure that your pet is receiving 100% pure, wild caught fish oil. After all, they give us so much, the least we can do is give them the best.
- DROOL-WORTHY TASTE: Not only does our dog fish oil supplement provide a comprehensive range of omega-3s, it tastes great too! So, in addition to giving your pup something that's good for them, you'll also be giving them something they love.
- THE HONEST DIFFERENCE: Our products are made with clean, science-backed ingredients for results you can trust, & with no fillers, artificial preservatives, colors, or flavors, you'll have no doubt your dog is getting the best. Proudly supporting pets in need nationwide & using recycled plastic in our packaging, there's also no doubt that we're committed to doing our best. -- All products are made in the U.S.A. | NASC Member Company
$28.99
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Bestseller No. 8
Omega 3 Fish Oil for Cats - Better Than Salmon Oil - Kitten & Cat Vitamins and Supplements - Cat Dandruff Treatment - Liquid Fish Oil for Pets - Shedding Support - Cat Health Supplies for All Ages
- Reduce Shedding + Improve Skin and Coat - Plano Paws Wild Caught Omega 3 for Cats 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 cats liquid pump makes it easy to give your cat omega 3 oils they need to stay healthy and happy. Just squirt the fish oil onto your kitten or cats food.
- Sustainably Sourced - Our omega 3 fish oil cat supplement is loaded with healthy DHA and EPA omega 3 for cats. Cat fish oil supplements may provide allergy and itch relief for cats.
- Our Mission - Plano Paws makes cat treats, cat health supplies and cat supplements you can trust. Plano Paws lives by 3 core principles. 1. Safe Ingredients. 2. Outstanding Effectiveness. 3. Exceptional Service.
$24.97
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Bestseller No. 9
Native Pet Omega 3 Fish Oil for Dogs & Cats - Promotes Healthy Skin, Shiny Coat, & Strong Joints - Made with Wild Alaskan Salmon Oil for Dogs – Tasty, Fast-Absorbing Omega 3 6 9 Liquid Supplement- 8oz
- HEALTHY SKIN, COAT AND JOINTS, ALL IN ONE DELICIOUS PUMP: Our Omega 3 for dogs is made from wild Alaskan fish oil, a high-quality dog fish oil supplements that promotes shiny coat, healthy skin, and strong joints.
- ALL-NATURAL, WILD-CAUGHT FISH OIL: Made with wild-caught pollock oil and wild-caught Alaskan salmon oil, this omega oil for dogs ensures the highest quality and sustainability. We use no added fillers, just pure, premium ingredients to support your pet’s health.
- COMPLETE OMEGA 3, 6, & 9 PROFILE : This dog omega 3 supplement is a blend of wheat germ oil and Omega 3 liquid fish oil, packed with essential EPA, DHA, and Vitamin E to support your dog’s immune health, joint mobility, and overall vitality.
- VET APPROVED WITH HIGH QUALITY INGREDIENTS: This fish oil for cats and dogs is packed with omega-rich nutrients to support skin, coat, joint, and heart health. A Liquid fish oil for dogs made with clean, effective ingredients and no added fillers
- REDUCE EXCESSIVE SHEDDING: Our dog shedding supplement is a real champ, fighting off skin troubles with omega 3, 6, and 9. An ideal dog supplements for itchy skin, this coat defense for dogs supports a shiny coat, reduces shedding, and promotes healthy skin.
$16.99
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Bestseller No. 10
Zesty Paws Wild Alaskan Omega-3 Blend Pollock + Salmon Oil for Dogs and Cats- Skin and Coat Support, Omega 3 Supplement for Pets, 16oz
- DOG SKIN AND COAT SUPPLEMENT: Loaded with Omega-3 fatty acids, this skin and coat supplement for dogs and cats supports your pet's shiny coat and helps to maintain normal skin moisture
- NATURAL IMMUNE SUPPORT: The EPA and DHA in our dog supplements formula fortify the immune system, supporting health and wellness for your dogs and cats
- FOOD TOPPER: This liquid formula is suitable as a dog and cat food topper. For pet parents looking for an alternative to capsules, raw treats, or soft chews, all it takes is a few pumps of Zesty Paws Salmon Oil to mix nicely with dog or cat food
- SALMON OIL SUPPLEMENTS: Zesty Paws fish oil supplements for dogs and cats uses salmon harvested from the Alaskan Bering Sea
- QUALITY: Zesty Paws dog supplements have successfully passed NASC’s (National Animal Supplement Council) stringent independent quality audit to earn their industry-revered seal of quality as a brand you can trust
$29.97
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Best Cat Fish Oil Supplements Buying Guide
Before choosing the best cat fish oil supplements you should consider following options:
1. Tuna Fish Oil: Tuna fish oil is rich in omega-3 fatty acids, which can help reduce inflammation in the cat. It also helps in the prevention of heart related diseases in the cat.
2. Salmon Oil: Salmon oil is rich in omega-3 fatty acids, which is good for the heart and improves the overall health of the cat.
3. Cod Liver Oil: This is rich in vitamins A and D as well as omega-3 fatty acids. Cod liver oil is good for the bone and heart health of the cat.
4. Krill Oil: This is rich in EPA and DHA and helps reduce inflammation in the cat. Krill oil also helps in the prevention of cardiovascular diseases.
5. Fish Oil Capsules: Fish oil capsules are an easy way to add fish oil to the cat’s diet. You can use them as a supplement or mix them in the cat’s food.
6. Fish Oil Chewable Tablets: Fish oil chewable tablets are easy to administer and are preferred by many owners.
7. Fish Oil Gels: Fish oil gels are a good option for many owners as they are easier to administer than capsules and tablets. They contain higher amounts of omega-3 fatty acids.
8. Fish Oil Liquid: Fish oil liquid is the easiest way to add fish oil to the cat’s diet. One can add it to the cat’s food or drink it directly from the dropper.
9. Fish Oil Jerky: Fish oil jerky is an option for owners who prefer something more appealing than fish oil liquid.
10. Fish Oil Treats: Treats are a great way to get the cat to take fish oil. There are many fish oil treats available in the market.
What else you should know about cat fish oil supplements
1. What are the benefits of taking a best cat fish oil supplement?
Some benefits of taking a best cat fish oil supplement are that it can help improve your cat’s coat and skin, reduce shedding, and increase energy levels.
2. What are the best sources of omega-3 fatty acids for cats?
There are a few different sources of omega-fatty acids for cats. Some good sources include fish oil, flaxseed oil, and hemp oil.
3. How much omega-3 fatty acids do cats need?
Cats need around 0.5% of their diet to be composed of omega-fatty acids.
4. What are the side effects of taking a best cat fish oil supplement?
Some potential side effects of taking a best cat fish oil supplement include burping, fishy breath, indigestion, and loose stools.
5. How do I choose the best fish oil supplement for my cat?
The best fish oil supplement for your cat is one that is high in omega-3 fatty acids. Look for a supplement that contains EPA and DHA, as these are the most beneficial for cats. You should also look for a supplement that is free of mercury and other toxins.
Conclusion
On the market, there are numerous best cat fish oil supplements. Hopefully, the list of the top ten best cat fish oil supplements will save you time researching and deciding on the best one for you.