8 Omega-3 Supplements to Boost Your Cat’s Coat

Noticed your cat’s coat looking a little dull lately? Or maybe you’re just trying to help them feel (and look) their best every day. Either way, improving your kitty’s skin health and shine isn’t just about brushing—it often starts inside the bowl. That’s where omega-3 supplements come in. These essential fatty acids don’t just support a silky coat; they’re also great for joints, brain health, and reducing inflammation.

But here’s the trick: not all supplements are created equal. Some are potent and pure—others, not so much. We’ve waded through dozens of options to bring you the top 8 omega-3 supplements that are specifically formulated for cats. Whether you’re dealing with itchy skin, too much shedding, or just want a shinier floof, we’ve got choices that span liquids, chews, and oils—so your cat actually eats it (yes, even the picky ones).

Keep reading to find the best omega-3 pick for your furry friend’s healthiest, glossiest glow yet.

1. Welactin Omega-3 Supplement for Cats

Welactin’s Omega-3 Supplement for Cats delivers targeted skin and coat support—no fluff, just fish oil. Formulated specifically for felines, it features potent marine-sourced omega-3s including EPA and DHA.

If your cat deals with dry skin, scraggly fur, or mild inflammation, this is a strong pick. A few drops mixed into their wet food daily can bring noticeable improvements in coat shine and softness. Bonus: it may also support joint mobility and immune defenses.

The liquid format is easy to administer—just drizzle it over cat food (wet or dry). Most cats don’t mind the taste, and even finicky eaters are surprisingly on board.

Priced around $20 for an 4 oz bottle, it’s a vet-trusted option with high praise from cat parents. This is one of the most reliable omega-3 supplements you’ll find that’s made with cats in mind.

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2. Vital Pet Life Salmon Oil for Cats

Your cat’s flaky skin isn’t their fault—and this could be the solution. Vital Pet Life Salmon Oil is crafted from wild-caught Alaskan salmon, delivering a natural source of omega-3 supplements straight to your pet’s bowl.

It’s especially helpful for cats struggling with excessive shedding, dry fur, or itchy skin patches. The rich blend of EPA and DHA supports skin hydration while enhancing coat softness and shine.

This supplement mixes easily into food—wet food for cats works great, but it’s equally effective with dry meals. The formula is free of additives and preservatives, so it’s gentle on sensitive stomachs.

Plus, picky eaters seem to welcome the taste. Results? Happier cats, fewer hairballs, and cleaner furniture—win-win-win. The 8oz bottle typically retails around $21.99 on Amazon and lasts over a month for most cats.

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3. VetriScience Omega 3, 6, 9 Fish Oil Supplement

Is your cat’s coat looking more blah than beautiful? VetriScience Omega 3, 6, 9 Fish Oil Supplement is a solid fix. It’s more than just omega-3—it’s a full spectrum blend of Omega 3, 6, and 9 fatty acids, all complemented by vitamin E for that extra softness boost.

This supplement is ideal for cats with dry skin, thinning coats, or itchiness. It supports skin barrier function, promotes shiny fur, and strengthens immune responses at the cellular level. Bonus? It’s in liquid form, so blending it with wet cat food is painless—even for picky eaters.

At around $18 for a 236 mL bottle, it lasts quite a while and delivers high value. No artificial preservatives, just pure, coat-loving nutrients. Say goodbye to dull fur and hello to feline fabulous.

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4. Nordic Naturals Omega-3 Pet for Cats

Nordic Naturals is a name trusted by pet parents and veterinarians alike. Their Omega-3 Pet formula is crafted exclusively for cats, using high-quality triglyceride-form fish oil. This form allows for better absorption—because what’s the point of great nutrients if your cat can’t use them?

Perfect for cats that deserve only the cleanest supplements, this option is third-party tested for purity and freshness. Bonus: no artificial additives or fillers sneak into the mix. Just pure omega goodness.

It’s especially helpful for cats with dull, flaky coats or dry skin. Add a pump to their regular dry or wet food for cats—and voilà, instant fur upgrade. Nordic Naturals makes caring easy, even if your cat thinks you’re just adding magic to their bowl.

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5. NHV PetOmega 3

NHV PetOmega 3 is a clean, liquid-based omega-3 supplement derived from sardines, anchovies, and herring. It’s formulated specifically for pets—no mystery additives, just pure marine oils to help your cat shine, literally.

This supplement is perfect for cats suffering from dry, itchy skin, allergies, or inflamed joints. It’s also supportive of heart and immune function, which makes it especially helpful for senior cats or those with long-term health concerns.

One of its best features? It goes beyond fur health. You’ll see improvements in mobility, cognitive function, and even coat softness. It’s a simple way to boost your cat’s wellness without the fuss of changing their wet food or dry food routine.

Pricing is on the premium side—around $42.95 for 250ml—but the health returns are worth every drop.

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6. Vets Best Hairball Relief Digestive Aid

Vets Best Hairball Relief Digestive Aid is a multitasking supplement that solves two annoying problems fast—dull coats and nasty hairballs.

Crafted with a fish oil base rich in omega-3s, this supplement helps nourish your indoor cat’s skin and coat while supporting smooth digestive function. Think of it as a tasty, healthy, chewy treat that works from the inside out.

The formula combines omega-3 supplements with slippery elm, psyllium seed, and marshmallow root. These ingredients ease gut discomfort and reduce hairball frequency. It’s great for picky eaters too, with a natural chicken flavor cats gobble up.

Best for cats who lounge indoors and occasionally leave you gagging up surprise furballs. Around $8 for 60 tablets—a solid deal for a dual-action solution.

If your pet’s shedding and spitting up hairballs like clockwork, this is a smart, gentle fix.

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7. Grizzly Omega Health for Cats

Grizzly Omega Health for Cats is a high-quality fish oil supplement derived from wild Alaskan salmon. If your feline friend’s coat is dull or you’re sweeping up furballs daily, this might be your hero product.

Unlike many supplements, Grizzly keeps it simple. It’s naturally rich in EPA and DHA—key omega fatty acids that reduce shedding, ease dry skin, and add serious shine. So if you’re seeing flakes or a lackluster coat, this could be the fix.

This formula mixes effortlessly into wet cat food or kibble. It’s flavored, too, so it’s more of a treat than a chore. Ideal for daily use, especially in dry climates or with aging cats who need extra coat support.

Cost-wise, it’s competitively priced around $18 for a 4 oz bottle. You’ll get long-lasting gains in coat health without draining your wallet.

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8. Zesty Paws Wild Alaskan Salmon Oil

Zesty Paws Wild Alaskan Salmon Oil is liquid gold for your cat’s coat. Literally. This easy-to-pour formula makes mealtime twice as enticing—especially for picky eaters who spit out pills with judgmental flair.

Loaded with EPA and DHA, two essential Omega-3 fatty acids, this supplement supports not just a smooth, shiny coat but also promotes heart and joint health. It’s ideal for cats with dry, flaky skin or dull fur who could use a little glow-up.

It blends seamlessly with wet cat food, dry kibble, or any meaty treat your feline favors. One pump, a quick stir, and done.

This bottle of fur-loving magic usually runs around $20–$25 for an 8-ounce bottle, which lasts surprisingly long depending on your cat’s size. No artificial additives—just fish oil, the way nature (and your cat) would prefer.

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Common Questions About Omega-3 Supplements for Cats

Does omega-3 help cat skin?

Yes, it absolutely can. Omega-3 fatty acids, particularly EPA and DHA, have anti-inflammatory properties that help soothe irritated skin and reduce itching. If your cat battles dryness, dandruff, or allergies, omega-3 may offer visible relief. Not only does it hydrate their skin from the inside out, but it also strengthens the skin barrier. Think of it as skin armor—soft, supple, and scratch-resistant. Just be consistent; results are gradual but effective.

Does fish oil help cats coat?

Definitely. Fish oil is loaded with omega-3s, and those are magic for your cat’s coat. It fuels hair follicles and promotes glossy, softer fur. Over time, it can even reduce excess shedding and prevent hairballs from forming. Plus, your cat might feel prouder strutting around with shinier fur—okay, maybe that’s just us projecting. The catch? You’ll need to give it regularly, and in the right dosage. Talk to your vet before diving in.

Which omega-3 is good for skin and hair?

EPA (eicosapentaenoic acid) and DHA (docosahexaenoic acid) are the top-tier omega-3s when it comes to improving skin and coat health—for both humans and felines. These fatty acids are found in marine sources like fish oil, krill oil, and algae. They’re anti-inflammatory superheroes that can calm redness, reduce flakiness, and keep your cat’s coat looking photo-shoot ready. Skip ALA (from flaxseed)—cats can’t convert it well into the forms they actually need.

Can I give my cat my omega-3 supplement?

Whoa—hold that capsule. Human omega-3 supplements may contain additives, flavorings, or dosages unsafe for cats. Even small components like xylitol or certain essential oils could be toxic. Plus, cats need specific ratios of EPA and DHA. It’s best to stick with omega-3 products formulated specifically for feline use. They’re tailored for their tiny systems and come in palatable forms, like liquid pumps and soft chews. Always check with your vet before sharing your supplements.

Help Your Cat Shine from the Inside Out

If your goal is a healthier coat, softer fur, and reduced shedding, these omega-3 supplements are well worth considering. Each one offers a unique blend of EPA and DHA to support your cat’s skin and coat health—plus, they often come with bonus benefits like reduced inflammation or support for heart and joint function.

Whether you’re leaning toward a reputable brand like Welactin or something vet-formulated like VetriScience, these supplements make it easy to boost your cat’s overall wellness. Once you understand your cat’s specific needs, adding a daily dose of high-quality omega-3s could be one of the simplest upgrades you make to their routine.

We hope these omega-3 supplements have helped you make the right decision for your cat’s coat health. And hey—if they end up strutting around your home like a fluffy fashion icon, you’ll know you picked the right one.