What are the best fish oil for dogs supplements to help with dry skin and shedding?

For dry skin, dandruff, dull coat, and shedding related to skin health, the best fish oil supplements for dogs are usually the ones that provide a meaningful amount of EPA + DHA (the active omega-3 fatty acids), are made specifically for pets, and have good quality controls. Fish oil may help support the skin barrier and reduce inflammation, which can improve coat quality in some dogs.

Here are some well-regarded options:

• Wild Alaskan Salmon Oil for Dogs - $18.95 (Best Paw Nutrition)
• Wild Alaskan Salmon Oil for Dogs - $18.95 (Best Paw Nutrition)

Top fish oil picks for dogs

• Nordic Naturals Omega-3 Pet

• Best for: owners who prioritize purity and testing

• Strengths: concentrated EPA/DHA, reputable omega-3 manufacturer, available in pet formulations

• Good choice for dogs with dry coats or owners who want a capsule/liquid option.

• Nutramax Laboratories Welactin Omega-3

• Best for: veterinary-style skin and coat support

• Strengths: commonly used in veterinary settings; available as liquid and soft chews.

• Zesty Paws Pure Wild Alaskan Salmon Oil

• Best for: dogs that prefer a food topper

• Strengths: easy pump bottle, palatable salmon flavor, simple way to add omega-3s.

• Vetoquinol Triglyceride Omega (Omega-3 supplements)

• Best for: dogs needing a more veterinary-focused supplement approach

• Strengths: focuses on EPA/DHA delivery rather than just “fish oil” volume.

What to look for on the label

Choose a product that lists:

• EPA and DHA amounts (not just “1,000 mg fish oil”)
• Third-party testing or quality standards when available
• Wild-caught small fish sources (such as sardines, anchovies, or similar) can be a good option because they tend to be lower on the food chain.
• A dog-specific product rather than a human supplement (human products may contain unsuitable ingredients or dosing).

How long until you notice a difference?

For coat changes, many owners notice improvement after several weeks, because skin and hair cycles take time. Fish oil is more likely to help with dry/flaky skin or inflammation-related shedding than normal seasonal shedding.

A few cautions

• Start gradually to reduce the chance of diarrhea or stomach upset.
• Fish oil adds calories, so adjust treats/food if needed.
• Ask your veterinarian before using higher doses if your dog has a history of pancreatitis, bleeding disorders, is on blood-thinning medication, or has upcoming surgery.

If you tell me your dog’s breed, weight, age, and whether the problem is dandruff/itching vs. just heavy shedding, I can help narrow down the best type and approximate EPA/DHA target.

When dealing with dry, flaky skin and excessive shedding, adding high-quality Omega-3 fatty acids (specifically EPA and DHA) to your dog's diet can work wonders. They nourish hair follicles, reinforce the skin’s natural barrier, and reduce internal inflammation that leads to itching and brittle fur.[1]

The top-rated and veterinarian-recommended fish oil supplements for skin and coat health are categorized below by type:

Best Liquid Oils (Easiest to absorb and mix into food)

• Native Pet Omega Oil : A veterinarian-formulated liquid topper made from wild-caught salmon and pollock. It features a clean, minimal-ingredient profile that provides a potent dose of marine omega-3s with an easy-to-use pump.[1]
• Nordic Naturals Omega-3 Pet Go to product viewer dialog for this item.: Widely regarded as a gold standard by veterinarians. It is sustainably sourced from wild anchovies and sardines, molecularly distilled, and third-party tested for absolute purity and heavy metal elimination.
• Zesty Paws Wild Alaskan Salmon Oil Go to product viewer dialog for this item.: A crowd favorite that combines pure Alaskan salmon and pollock oils. It's budget-friendly for large breeds and comes with a pump that makes coating kibble effortless.
• Grizzly Omega Health Liquid : Sourced from wild, deep-water Alaskan fish, this non-rancid formula uses a balanced blend of salmon and pollock oil to support skin moisture and reduce seasonal shedding.

Best Softgels & Chews (Mess-free and great for travel)

• Nutri-Vet Fish Oil Softgels : Excellent if your dog dislikes the strong smell of liquid fish oil. These softgels deliver a concentrated hit of omega-3s alongside added vitamin E to support skin elasticity and coat shine.
• NaturVet Omega-Gold Plus Salmon Oil Soft Chews Go to product viewer dialog for this item.: Formulated with a blend of salmon oil and omegas-3 and -6, these wheat-free soft chews are designed to lock moisture into dry skin and promote a glossy coat.

Tips for Maximum Results

• Check the label for purity: Look for products that specify wild-caught sources and mention third-party testing to ensure the oil is free of PCBs and heavy metals.
• Give it time: Omega fatty acids build up in your dog's system gradually. It typically takes 4 to 6 weeks of consistent daily supplementation to see a visible reduction in flaking and shedding.
• Watch the calories: Oils are energy-dense, so adjust your dog's regular meal portions slightly to prevent unintended weight gain.

If you share your dog's approximate weight and whether they prefer liquids or chewable treats , I can help you calculate the exact daily dosage or narrow down the best choice.

Yes. For dry skin and coat quality, fish oil can be useful because the omega-3 fatty acids EPA and DHA can help support the skin barrier and reduce inflammation/itching. It may also improve coat shine, although it won't necessarily stop normal seasonal shedding.

Fish oils I'd consider

• Nordic Naturals Omega-3 Pet — A particularly straightforward choice because it is formulated specifically for pets and clearly lists EPA and DHA. The medium/large-dog formula provides 368 mg EPA + 253 mg DHA per 2.5 mL.
• Welactin Canine Omega-3 Softgels — Convenient if you prefer capsules. Each softgel contains 155 mg EPA + 100 mg DHA, and the manufacturer recommends one capsule per 20 lb of body weight daily.

What I'd look for on the label

Don't choose based simply on "1,000 mg fish oil." The important numbers are EPA + DHA. Some fish oils contain a lot of oil but relatively little of the omega-3s you're actually trying to supplement.

I'd also favor:

• A product made specifically for dogs/pets
• Clearly stated EPA and DHA amounts
• A reputable manufacturer with quality/purity testing
• Fish oil from cold-water marine fish
• Proper storage instructions, since fish oil can oxidize

One important point about shedding

If your dog is shedding much more than usual, has dandruff, itching, bald spots, odor, redness, or a greasy coat, I'd have the cause checked rather than relying on fish oil. Fleas/allergies, parasites, hormonal problems, nutritional issues, and other skin conditions can all cause excessive shedding.

Fish oil can also cause GI upset and should be used cautiously in dogs with a history of pancreatitis, bleeding/clotting problems, or dogs taking certain medications.

If you tell me your dog's weight, age, breed, and whether the main problem is dry/flaky skin, itching, or shedding, I can calculate the approximate EPA+DHA amount to look for and narrow these down to the most appropriate option.

When looking for a fish oil supplement to combat dry skin, flaking, and excessive shedding in dogs, you want a product rich in Omega-3 fatty acids—specifically EPA (eicosapentaenoic acid) and DHA (docosahexaenoic acid) —which reduce inflammation and nourish the skin barrier from within.

Top-rated and veterinarian-trusted fish oil supplements for canine skin and coat health include:

• Zesty Paws Wild Alaskan Omega-3 Pollock + Salmon Oil: Highly popular and budget-friendly, available on Chewy , this liquid blend is sourced from wild-caught Alaskan fish and features a convenient pump bottle. It provides a high concentration of EPA and DHA to soothe dry, itchy skin and promote a glossy coat.[1]
• Natural Dog Company Wild Alaskan Salmon Oil: Sourced from ice-cold Alaskan waters, this pure and sustainable oil is rich in essential Omega-3 and Omega-6 fatty acids. It serves as an easy-to-use meal topper that helps bolster the immune system while restoring moisture to a dull, shedding coat. You can find it directly via the Natural Dog Company Shop.[1]
• Dr. Harvey’s Health & Shine Omega-3 Fish Oil: Made from 100% wild-caught Icelandic fish (including cod, mackerel, herring, and sardines), this top-tier purified oil is heavily favored for sensitive dogs. It is processed to eliminate strong fishy odors and is excellent for adding essential fatty acids to commercial, raw, or homemade diets. Details are available on the Dr. Harvey's Product Page.[1]
• VēRUS Opticoat II Liquid Supplement: A targeted anti-inflammatory liquid supplement formulated with nutrient-dense Menhaden fish oil and Vitamin E. It is specifically designed to target the root causes of chronic itching, flaking, and excessive seasonal or non-seasonal shedding.[1]

Tips for Choosing and Using Fish Oil:

• Opt for Liquid over Chews: Liquid oils pumped directly onto food generally offer higher bioavailability and purity than soft chews, which require heat processing that can degrade delicate Omega-3s.
• Look for Purity Certifications: Check labels for third-party testing or certifications (like the NASC Quality Seal ) to ensure the oil is free from heavy metals and toxins.[1]
• Introduce Gradually: Start with a fraction of the recommended dose and work your way up over a week to prevent any sudden digestive upset or loose stools.

To help narrow down the best option, could you share your dog's approximate weight and whether they have any food allergies or sensitive stomachs?

The best fish oil supplements for dogs to combat dry skin and excessive shedding are high-purity liquids or chews packed with EPA and DHA omega-3 fatty acids , with top veterinary-recommended choices including Nordic Naturals Omega-3 Pet Go to product viewer dialog for this item., Zesty Paws Salmon Oil Go to product viewer dialog for this item. , and Natural Dog Company Wild Alaskan Salmon Oil Go to product viewer dialog for this item..

Omega-3 fatty acids reduce skin inflammation, lock in moisture to stop flaking, and strengthen hair follicles to minimize unwanted shedding.

Top Fish Oil Supplements for Dogs

How Fish Oil Helps Dry Skin and Shedding

• Reduces Inflammation: Omega-3s lower the production of inflammatory cytokines that cause itchy, dry, and irritated skin.
• Improves Coat Strength: Nourishes the skin's lipid barrier, locking in moisture and reducing brittle hair that leads to excessive shedding.
• Balances Fatty Acids: Commercial kibble is often heavy on omega-6 fats; adding fish oil restores a healthy omega-3 to omega-6 ratio.

Tips for Choosing and Using Fish Oil

• Opt for Liquid Pumps: Liquid oils poured over food are usually more potent and palatable than chews.
• Check the Label for EPA and DHA: Ensure the product lists specific amounts of Eicosapentaenoic Acid (EPA) and Docosahexaenoic Acid (DHA), rather than just total fish oil.
• Start Slow: Introduce the oil gradually to your dog's meal to prevent mild digestive upset or loose stools.

If you'd like, let me know your dog's weight or if they have food allergies , and I can recommend a precise daily dosage or alternative options.

Yes—fish oil can help with dry skin, dandruff, itching, and coat quality, but I’d choose one based on the actual EPA + DHA content, not simply “salmon oil” or “omega-3” on the front of the bottle. Evidence also suggests product potency can vary substantially between brands, so label transparency matters.

My top picks

1. Nordic Naturals Omega-3 Pet — my overall pick It has clearly specified EPA/DHA amounts, uses wild-caught sardines and anchovies, and is third-party tested for purity and freshness. The liquid is particularly convenient if your dog won't swallow capsules.

2. Zesty Paws Wild Alaskan Salmon Oil — good value A good choice if you prefer a pump-style salmon oil. Its EPA/DHA content is disclosed, which is much more useful than a product that only tells you the total amount of fish oil.

3. Grizzly Salmon Plus — good liquid option Another strong option for dogs that prefer oil mixed into food. It provides a substantial amount of EPA and DHA per pump and has NASC quality credentials according to current product comparisons.

4. Vetoquinol Triglyceride Omega — good veterinary-oriented option A nice choice if you'd rather use a softgel and want EPA and DHA separately listed on the label.

What I'd look for on the bottle

The important number is:

EPA + DHA = the amount that matters

Don't be fooled by something saying “1,000 mg fish oil.” That doesn't mean it contains 1,000 mg of EPA/DHA. For example, Nordic Naturals' current liquid gives a 40–59-lb dog 736 mg EPA + 506 mg DHA at its labeled daily serving—1,242 mg combined EPA+DHA.

For skin/coat support, veterinary literature commonly uses weight-based EPA+DHA dosing, but the appropriate dose depends on the dog's diet, health, and reason for supplementation. I'd use the manufacturer's dog-specific directions unless your veterinarian recommends a therapeutic dose.

One important caveat about shedding

Fish oil may make the skin and coat healthier and can reduce inflammation-related shedding, but it won't necessarily stop normal seasonal shedding. Excessive shedding, itching, dandruff, bald patches, redness, or recurrent ear infections can also point to allergies, parasites, infection, or another underlying problem.

If you tell me your dog's weight, age, breed, and whether the main problem is dry/flaky skin, itching, or just excessive shedding, I can narrow this down to the best product and calculate the appropriate EPA+DHA amount for your dog.

For dry skin and shedding, the best fish oil supplements for dogs are usually the ones that provide meaningful amounts of EPA + DHA (the active omega-3s), not just “salmon oil” or “omega blend” on the label. Omega-3s can support skin barrier function, coat shine, and healthy inflammatory responses, but they won’t fix shedding caused by allergies, parasites, hormonal issues, or skin disease.

Top fish oil picks for dogs

• Nordic Naturals Omega-3 Pet — Best overall quality

• Good choice if you want a clean, well-established omega-3 product.

• Uses wild-caught fish sources and provides EPA/DHA for skin and coat support.

• Available as liquid or soft gels, which makes it easier to match to your dog’s size and preferences.

• Zesty Paws Wild Alaskan Salmon Oil — Best liquid option for picky dogs

• Easy to mix into food.

• A good fit for dogs that refuse pills or soft gels.

• Look for the EPA and DHA amounts on the bottle rather than judging by the total oil amount.

• Nutramax Welactin Omega-3 Fish Oil — Good veterinary-focused option

• Frequently included among veterinarian-recommended fish oil choices.

• Available in forms such as liquid and soft chews.

• Nutri-Vet Fish Oil — Budget-friendly capsule option

• Convenient if you prefer measured soft gels.

• One listed formula provides EPA and DHA per softgel rather than only total fish oil.

What to look for on the label

Choose a product that has:

• ✅ EPA + DHA amounts listed separately
• ✅ Fish sources such as sardine, anchovy, herring, or salmon
• ✅ Purity testing or quality certifications when available
• ✅ A dog-specific formulation (avoid human products unless your veterinarian approves)

How long until you see results?

For coat changes, many dogs need several weeks of consistent use. You may notice less dry/flaky skin first, followed by a softer, shinier coat.

A few cautions

Fish oil can cause side effects like loose stool, fishy breath, or weight gain if overused. Dogs with pancreatitis, bleeding disorders, or those having surgery should get veterinary guidance before starting it.

If you tell me your dog’s weight, breed, age, and whether the issue is mostly dry/flaky skin, itching, or excessive shedding, I can help narrow down the best choice and dose range.

Adding a fish oil supplement rich in Omega-3 fatty acids (specifically EPA and DHA) is one of the most effective ways to nourish your dog's skin barrier, lock in moisture, and minimize excessive, year-round shedding.[1]

When looking for the right product, veterinary-backed liquid pump toppers or high-purity oils are generally preferred over chews because they deliver a potent, easily absorbable dose of healthy fats.

Top Veterinarian-Recommended & Popular Fish Oils for Dogs

• Nutramax Welactin Omega-3 Liquid Go to product viewer dialog for this item.
  • Why it stands out: Welactin is frequently a #1 veterinarian-recommended brand. It provides a concentrated source of EPA and DHA specifically formulated to support a healthy skin barrier, reduce flaking, and give the coat a brilliant shine.
  • Best for: Overall skin and coat health, plus secondary support for joints and immunity.
• Native Pet Omega-3 Fish Oil Go to product viewer dialog for this item.
  • Why it stands out: Formulated with a blend of wild-caught salmon and pollock oils (plus a touch of biotin for extra keratin and coat reinforcement), this option is designed by veterinary nutritionists as a clean food topper.
  • Best for: Picky eaters and owners looking for a targeted, filler-free marine oil blend.
• Zesty Paws Wild Alaskan Omega-3 Blend (Pollock + Salmon Oil) Go to product viewer dialog for this item.
  • Why it stands out: A fan favorite that utilizes wild-caught Alaskan fish to deliver a rich punch of EPA and DHA. It is well-regarded for helping soothe dry patches, easing minor itchiness, and cutting down on loose fur with consistent use.
  • Best for: Value and palatability—dogs tend to love the taste on their kibble.
• Natural Dog Company Wild Alaskan Salmon Oil Go to product viewer dialog for this item.
  • Why it stands out: This is a 100% pure, single-ingredient oil (wild salmon and pollock blend) with zero artificial additives, preservatives, or synthetic fillers. It targets dry skin, seasonal flaking, and coat dullness.
  • Best for: Sensitive dogs who need a clean, straightforward formula.

What to Look for on the Label

• EPA and DHA: Ensure the product explicitly lists these two active Omega-3 components. (Unlike humans, dogs cannot efficiently convert plant-based omega-3s like ALA, so they rely entirely on marine-based EPA/DHA).
• Source Matters: Look for "wild-caught" fish (such as Alaskan salmon or pollock) rather than farmed fish, as wild sources typically yield higher purity and more robust fatty-acid profiles.
• Purity/Sustainability: Look for brands that test for heavy metals and toxins, or carry quality seals like the National Animal Supplement Council (NASC).

To help me give you the best recommendation, could you tell me:

• What breed or coat type does your dog have?
• Are they showing any other symptoms like itching, redness, or hot spots , or is it purely dry skin and shedding?

Yes—fish oil can be a good choice for dogs with dry/flaky skin and a dull coat, because the marine omega-3s EPA and DHA help support the skin barrier and have anti-inflammatory effects. They may also help with excessive shedding, although shedding caused by allergies, parasites, hormonal problems, or other illness needs to be addressed separately.

My top picks

• Nordic Naturals Omega-3 Pet — My first choice if you want a concentrated, straightforward EPA/DHA supplement. It uses a triglyceride form and is third-party tested.
• Zesty Paws Wild Alaskan Salmon Oil — A convenient liquid option that's easy to mix into food and particularly appealing if your dog won't take capsules.
• Grizzly Salmon Plus Wild Salmon Oil — Another good liquid option with clearly disclosed EPA/DHA and a salmon-based formula.
• Nutramax Welactin Omega-3 — A particularly good veterinary-oriented option; it is frequently recommended for skin/coat support and comes in liquid and chew forms.

What I'd look for

Don't choose based simply on “1,000 mg fish oil.” The important numbers are the combined EPA + DHA per serving. A product can contain a lot of fish oil while providing comparatively little EPA/DHA.

I'd prioritize:

1. Clearly stated EPA and DHA amounts
2. Dog-specific formulation
3. Third-party quality testing/NASC certification when available
4. Fish from smaller cold-water species such as sardines/anchovies
5. Fresh oil with appropriate storage instructions

Veterinary nutrition references commonly use roughly 50–75 mg/kg/day of combined EPA+DHA for therapeutic purposes, but the appropriate dose depends on the individual dog, diet, and health status—so I wouldn't blindly apply a high therapeutic dose.

One important point: I would choose regular fish oil rather than cod-liver oil for this purpose. Cod-liver oil also contains vitamins A and D, which can become excessive when supplemented.

If you tell me your dog's weight, age, breed, and whether the skin is just dry or also itchy/red, I can narrow this down to the best specific product and an appropriate EPA+DHA daily amount.

When looking for a fish oil supplement to target dry, flaky skin and reduce excessive shedding, you want formulas rich in Omega-3 fatty acids —specifically EPA (Eicosapentaenoic Acid) and DHA (Docosahexaenoic Acid) . These active ingredients act as powerful anti-inflammatories that soothe skin irritations and reinforce the skin's natural moisture barrier.[1]

The top-rated and veterinarian-recommended fish oil supplements for dogs targeting skin and coat health include:

• Nutramax Welactin Omega-3 Supplement : Widely cited as a top veterinarian-recommended brand, Welactin is specifically formulated with high levels of EPA and DHA sourced from cold-water fish to support skin and coat luster and combat dryness.
• Grizzly Omega Health Liquid Supplement : A favorite for its high palatability, this blend utilizes wild Alaskan salmon and pollock oil. It holds quality certifications from the National Animal Supplement Council (NASC) and provides a clean, potent daily dose of omegas.
• Nordic Naturals Omega-3 Pet : Frequently ranked as a best-overall choice, Nordic Naturals is known for exceptional purity. Sourced from wild, sustainable anchovies and sardines, it is molecularly distilled to ensure it is free of heavy metals and toxins while providing heavy-duty skin nourishment.
• PetHonesty Wild Alaskan Salmon Oil : Made with 100% wild-caught salmon, this liquid pump-top oil is naturally dense in EPA, DHA, and total omega-3s. It works well as a food topper that picky eaters enjoy while deeply conditioning dry skin and minimizing seasonal shedding.
• Zesty Paws Wild Alaskan Salmon Oil : Another highly rated liquid food additive that helps relieve itchy, flaky skin, support the immune system, and restore a glossy, soft coat to heavily shedding dogs.

Quick Buying & Feeding Tips

• Liquid vs. Chews: Liquid oils pumped directly onto food usually offer a higher, more potent concentration of pure EPA/DHA per serving than soft chews, and they act faster on skin conditions.
• Check the Source: Look for wild-caught fish (like salmon, sardines, or anchovies) rather than farmed fish, as they contain higher concentrations of beneficial fatty acids.
• Watch the Calorie/Fat Count: Introduce oils gradually to prevent loose stools, as high-fat oils add extra calories to your dog's daily intake.

If you share your dog's approximate weight and current diet , I can help you calculate the right dosage or choose between a liquid oil and chewable option.