There is always a perfect best fish oils for cats out there in the market for you. However, you may not have the time and resources to try and research each of them in detail. So we’ve done the heavy lifting and are sharing below our detailed review of Top 10 best fish oils for cats.
In Hurry? Checkout Our Top Pick Of Best Fish Oils For Cats.
Our Top Pick

9.7/10 our score
Best Fish Oils For Cats
Rank | Product Name | Score |
---|---|---|
1 ![]() |
Nordic Naturals Omega-3 Pet, Unflavored - 304 mg Omega-3 Per One mL - 2 oz - Fish Oil for Cats & Dogs with EPA & DHA - Promotes Heart, Skin, Coat, Joint, & Immune Health - Non-GMO |
9. 7 |
2 ![]() |
TerraMax Pro Liquid Omega-3 Fish Oil for Dogs and Cats, 16 Fl. Oz. |
9. 5 |
3 ![]() |
Pure Wild Alaskan Salmon Oil for Dogs & Cats - Supports Joint Function, Immune & Heart Health - Omega 3 Liquid Food Supplement for Pets - Natural EPA + DHA Fatty Acids for Skin & Coat - 32 FL OZ |
9. 1 |
4 ![]() |
Omegease Omega 3, 6 & 9 Fish Oil for Dogs and Cats, 16 Ounces |
8. 8 |
5 ![]() |
Wild Caught Fish Oil for Cats - Omega 3-6-9, GMO Free - Reduces Shedding, Supports Skin, Coat, Joints, Heart, Brain, Immune System - Highest EPA & DHA Potency - Only Ingredient is Fish - 16 oz |
8. 6 |
6 ![]() |
Pure Wild Alaskan Salmon Oil for Dogs & Cats - Supports Joint Function, Immune & Heart Health - Omega 3 Liquid Food Supplement for Pets - All Natural EPA + DHA Fatty Acids for Skin & Coat - 8 FL OZ |
8. 2 |
7 ![]() |
Salmon Oil for Dogs & Cats, Fish Oil Omega 3 EPA DHA Liquid Food Supplement for Pets, Wild Alaskan 100% All Natural, Supports Healthy Skin Coat & Joints, Natural Allergy & Inflammation Defense, 32 oz |
8. 0 |
8 ![]() |
Essential Pet Products Alaska Wild Salmon Oil Soft Chews with Natural Omega-3 Fatty Acids for Cats |
7 .7 |
9 ![]() |
Salmon Oil for Dogs & Cats, Fish Oil Omega 3 EPA DHA Liquid Food Supplement for Pets, Wild Alaskan 100% All Natural, Supports Healthy Skin Coat & Joints, Natural Allergy & Inflammation Defense, 8 oz |
7. 4 |
10 ![]() |
Nordic Naturals Omega 3 Cat - Fish Oil Liquid for Cats, Omega-3s EPA and DHA Support Skin, Coat, Joint and Overall Health, in Triglyceride Form for Optimal Absorption, 2 Ounces |
7. 2 |
1. Nordic Naturals Omega-3 Pet, Unflavored - 304 mg Omega-3 Per One mL - 2 oz - Fish Oil for Cats & Dogs with EPA & DHA - Promotes Heart, Skin, Coat, Joint, & Immune Health - Non-GMO

9.7/10 our score
- 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 & joint 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 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.
2. TerraMax Pro Liquid Omega-3 Fish Oil for Dogs and Cats, 16 Fl. Oz.

9.5/10 our score
- ? 100% SAFE AND ALL NATURAL. Wild caught exclusively from the clean, icy-cold waters of Iceland using only sustainable and responsible fishing methods safe for Dolphins and other protected species. NO fillers. NO binders. NO artificial ingredients. Just 100% of the purest, most potent fish oil on the market, ready to help improve your pets health. Our fish oil is guaranteed to contain at least 800 mg EPA and 525 mg DHA per serving, without the strong scent of most fish oils.
- ? PHARMACEUTICAL HUMAN GRADE FISH OIL. What other companies don't tell you could be poisoning your pets! The source of your fish oil matters. Other fish oil often contains Mercury, PCB's and other toxins from nuclear fall out or other sources. Our fish oil is carefully crafted from deep-sea, cold water fish and molecularly distilled for purity from all toxins, surpassing the standards set by California Proposition 65 and all US and European Pharmacopeia standards.
- ? MOLECULARLY DISTILLED FOR HIGHEST PURITY. One of the only purification methods that can remove heavy metals, PCBs and other toxins to below detectable limits for human consumption. Our fish oil is independently tested at a 3rd party laboratory for over 250 contaminants and is Certified Mercury free with no detectable levels of PCB's, heavy metals, pesticides & dioxins.
- ? VETERINARIAN RECOMMENDED. Premium Omega 3 Fish Oil has been recommended by veterinarians for dogs and cats of all ages, sizes, breeds and activity levels. Adding TerraMax Pro's Premium Omega-3 Fish Oil to your pets diet helps support healthy skin, coat, joints, heart and the development and maintenance of the brain, eyes and immune system. It may also help promote weight loss and help reduce certain allergies. Great gift idea for anyone with pets!
- ? TRY IT RISK FREE WITH OUR UNCONDITIONAL 100% SATISFACTION GUARANTEE! We're so confident you're getting the purest and highest grade fish oil available anywhere, we'll let you try it absolutely risk free! Use the entire bottle and if you're not absolutely thrilled, you get all your money back. No questions asked! If you're serious about your pet's health, click the Add to Cart Button Now! You're covered by our unconditional satisfaction guarantee!
3. Pure Wild Alaskan Salmon Oil for Dogs & Cats - Supports Joint Function, Immune & Heart Health - Omega 3 Liquid Food Supplement for Pets - Natural EPA + DHA Fatty Acids for Skin & Coat - 32 FL OZ

9.1/10 our score
- A tasty & body nourishing treat for cats & dogs - Zesty Paws Wild Alaskan Salmon Oil is a natural fish oil additive supplement that supports the skin, coat, hips and joints, heart, and immune system.
- Powerful Omega Fatty Acids - This premium fish oil liquid formula is loaded with the healthy Omega-3 fatty acid (with EPA and DHA) to support health and wellness for your canine or feline companion.
- Help your pet stay in great shape - The rich Omegas in Salmon Oil help to aid hip, joint, heart, and immune function to keep your four-legged friend feeling lively and active every day, without the fuss.
- Perfect for Skin & Coat - If your pet has dry skin, a dull shedding coat, hot spots, or itching and irritation, Salmon Oil provides relief and nourishment keep skin and coats in the best condition.
- Goes great with any meal - For pet parents looking for an alternative to capsules, raw treats, or soft chews, all it takes is a few pumps of Salmon Oil to mix nicely with dog or cat food.
4. Omegease Omega 3, 6 & 9 Fish Oil for Dogs and Cats, 16 Ounces

8.8/10 our score
- LESS SCRATCHING & SHEDDING: Best Omega 3, 6 & 9 fish oil soothes dry itchy skin. Reduces allergies
- SOFT, SILKY COAT & FUR: Rich source of EPA & DHA Fatty Acids.
- EASES JOINT PAIN, REDUCES INFLAMMATION: 100% Pure, natural human grade. No additives or preservatives
- DOGS & CATS LOVE IT: Simple-to-use liquid free of fishy odors. Mixes easily with your pet's food.
- RESULTS IN 30 DAYS OR YOUR MONEY BACK: 100% Risk-Free guarantee
5. Wild Caught Fish Oil for Cats - Omega 3-6-9, GMO Free - Reduces Shedding, Supports Skin, Coat, Joints, Heart, Brain, Immune System - Highest EPA & DHA Potency - Only Ingredient is Fish - 16 oz

8.6/10 our score
- Pure, Natural Omega 3, 6, 9 For Cats: Deley Naturals Wild Caught Omega-3 Fish Oil is 100% pure fish oil and has no added ingredients. Our all natural, sustainably sourced fish oil supplement has virtually no odor but has a delicious fish flavor all cats love! Our BPA Free drip-proof pump bottle makes it easy to dispense directly onto your cats’s food
- Eliminates Itchy Skin, Excessive Shedding and Painful Joints: Omega 3 6 9 for cats promotes healthy, shiny fur, soothes itchy and sensitive skin, and eases painful, inflamed joints. Our GMO Free formula also supports immune health, cardiovascular function and improves stiffness and allergies
- Best Natural Source Of Omega-3: Our Wild Caught Omega-3 fish oil with Omega 6 and 9 fatty acids delivers higher levels of EPA and DHA with no toxins or mercury than salmon oil for cats. Rather than using large, predatory fish, which often contain mercury and other dangerous chemicals, our fish oil is carefully crafted from small, non-predatory fish sourced from the cold, pristine North Atlantic - sardine, herring, mackerel, and anchovy
- High Quality, Pure and Safe: Our Omega-3 fish oil exceeds all requirements set by California’s Proposition 65 and all US and European Pharmacopoeia standards. Deley Naturals Omega-3 Fish Oil is human grade and molecularly distilled to remove all harmful toxins and heavy metals - 100% pure, no additives, fillers or toxins
- Satisfaction Guaranteed: At Deley Naturals, we take pride in only manufacturing the best supplements for your pets. We are confident your dog will be impressed, but we offer a 100% Hassle- Free Refund Policy just in case
6. Pure Wild Alaskan Salmon Oil for Dogs & Cats - Supports Joint Function, Immune & Heart Health - Omega 3 Liquid Food Supplement for Pets - All Natural EPA + DHA Fatty Acids for Skin & Coat - 8 FL OZ

8.2/10 our score
- A tasty & body nourishing treat for cats & dogs - Zesty Paws Wild Alaskan Salmon Oil is a natural fish oil additive supplement that supports the skin, coat, hips and joints, heart, and immune system.
- 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 in great shape - The rich Omegas in Salmon Oil help to aid hip, joint, heart, and immune function to keep your pet healthy.
- 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.
- 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.
7. Salmon Oil for Dogs & Cats, Fish Oil Omega 3 EPA DHA Liquid Food Supplement for Pets, Wild Alaskan 100% All Natural, Supports Healthy Skin Coat & Joints, Natural Allergy & Inflammation Defense, 32 oz

8/10 our score
- 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.
- MSC CERTIFIED SUSTAINABLE - Our salmon oil is 100% Marine Stewardship Council certified sustainable meaning we're helping to guarantee healthy oceans and safeguarding future seafood supplies.
- MADE IN THE USA! Our salmon oil is produced from wild salmon caught off the coast of Alaska. We are proud to say that our supplement is 100 percent made in the USA.
8. Essential Pet Products Alaska Wild Salmon Oil Soft Chews with Natural Omega-3 Fatty Acids for Cats

7.7/10 our score
- Features: salmon Oil from the pristine waters of Alaska, with omega-3 fatty acids, EPA and DHA. Formulated in a tasty, small bite Soft chew.
- Benefit: addresses the nutritional needs that contribute to a shiny, lustrous coat and healthy, smooth skin.
- Safe: Made with human-grade ingredients in an FDA registered facility.
- Quality assured and tested: Manufactured in the USA under camp standards. Ingredients and finished product analyzed under strict laboratory procedures at an ISO 17025 Verified facility.
- Flavor: Flavor profiles that pets love and beg for more.
9. Salmon Oil for Dogs & Cats, Fish Oil Omega 3 EPA DHA Liquid Food Supplement for Pets, Wild Alaskan 100% All Natural, Supports Healthy Skin Coat & Joints, Natural Allergy & Inflammation Defense, 8 oz

7.4/10 our score
- 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.
- MSC CERTIFIED SUSTAINABLE - Our salmon oil is 100% Marine Stewardship Council certified sustainable meaning we're helping to guarantee healthy oceans and safeguarding future seafood supplies.
- MADE IN THE USA! Our salmon oil is produced from wild salmon caught off the coast of Alaska. We are proud to say that our supplement is 100 percent made in the USA!
10. Nordic Naturals Omega 3 Cat - Fish Oil Liquid for Cats, Omega-3s EPA and DHA Support Skin, Coat, Joint and Overall Health, in Triglyceride Form for Optimal Absorption, 2 Ounces

7.2/10 our score
- PROACTIVE PROTECTION FOR YOUR CAT - Daily supplementation with Nordic Naturals Omega-3 Cat is a proactive way to help support overall health for your feline companions. Omega-3 Cat provides them with what they need to keep feeling and looking their best!
- OPTIMAL DOG HEALTH AND WELLNESS - Nordic Naturals Omega-3 Cat is an excellent source of the important omega-3 fatty acids EPA and DHA. EPA and DHA help support skin and coat health, joint health, heart health, immune system health, cellular health, and brain and eye development and maintenance. Adding this supplement can increase your animals overall health and nutrition.
- WILD CAUGHT AND SUSTAINABLY SOURCED - Every batch of Nordic Naturals fish oil is crafted from wild-caught, omega-rich fish from the freshest catch, sourced from the cleanest waters. Our Omega oil comes from wild caught anchovies and sardines and only in a way that fully protects the ocean's fragile ecosystem. Third-party tested to verify purity and freshness levels.
- YOUR PET DESERVES THE BEST - Many concentrated fish oils on the market are in the ethyl ester molecular form-a synthetic fat. Nordic Naturals formulas are produced in true triglyceride form to ensure optimal absorption and results. All Nordic Naturals pet products are made with the same exceptional quality oil as our human products, but have been specially formulated for pets. Please use only our pet products for your dog or cat, not our human products.
- WE DELIVER HIGH QUALITY PRODUCTS - Nordic Naturals strives to provide high supplements to help their consumers reach optimum wellness. Nordic Naturals produces many different high-quality products that are third party tested for purity and freshness. This Omega-3 Oil is the perfect addition to your pets diet for optimum health and wellness.