Intro + Disclaimer
Hey there, fellow dog lovers! 🐾 If your pup’s coat has lost its shine or their skin seems dry and itchy, omega-3 fatty acids might just be the superhero their diet has been missing. These healthy fats are known for promoting silky fur, calming irritated skin, and supporting your dog’s overall wellness.
In this guide, I’ll walk you through the best omega-3 supplements for dogs — including what they are, why they work, and my top product picks. I’ll also share a handy comparison table so you can make the best choice for your furry friend.
Affiliate Disclaimer: Some of the links in this post are affiliate links. If you click and make a purchase, I may earn a small commission — at no extra cost to you. This helps keep the treats stocked and the content flowing so I can keep bringing you helpful tips for you and your pup.
🐾 Table of ContentsWhy Omega-3s Matter for Skin & Coat
If your dog’s skin is dry, itchy, or prone to hot spots, there’s a good chance inflammation is playing a role. This is where omega-3 fatty acids — particularly EPA (eicosapentaenoic acid) and DHA (docosahexaenoic acid) — come in.
Here’s why they’re so important for your pup’s skin and coat health:
- Reduces inflammation – Omega-3s have natural anti-inflammatory properties, helping to calm redness, swelling, and irritation.
- Supports a healthy skin barrier – They help keep moisture locked in, preventing dryness and flakiness.
- Promotes a glossy, soft coat – A well-nourished coat is shinier, softer, and less prone to shedding.
- Soothes allergies – Dogs with environmental or food allergies may find relief with omega-3 supplementation.
- Aids in healing – Supports the repair of damaged skin from scratching, wounds, or skin conditions.
Think of omega-3s as your dog’s internal conditioner — nourishing their skin from the inside out so that it shows on the outside.
Types of Omega-3 Supplements for Dogs
When shopping for an omega-3 supplement, you’ll see a few different sources. Each comes with its own benefits, so the “best” one depends on your dog’s needs, diet, and taste preferences.
1. Fish Oil
- Best for: Most dogs without fish allergies
- Derived from salmon, sardines, anchovies, or mackerel.
- Rich in EPA and DHA — the most effective omega-3s for skin and coat.
- Typically comes in liquid pumps or softgel capsules.
2. Krill Oil
- Best for: Dogs needing extra antioxidants
- Made from tiny crustaceans and contains astaxanthin, a powerful antioxidant.
- EPA and DHA are in a form that may be more easily absorbed.
- Naturally more sustainable than some fish sources.
3. Algal Oil
- Best for: Dogs with fish allergies or on plant-based diets
- Sourced from algae, making it vegan-friendly.
- Still provides DHA and sometimes EPA without fish proteins.
- Great for sensitive stomachs.
4. Flaxseed Oil
- Best for: Adding variety to a dog’s diet
- Contains ALA (alpha-linolenic acid) — a plant omega-3.
- Dogs can convert ALA to EPA and DHA, but not very efficiently.
- Works better as a supplemental boost than a sole source.
Quick Tip: If your dog has allergies, sensitive digestion, or is a picky eater, start with a small dose of the chosen supplement and increase gradually to avoid tummy upset.
Product Comparison Table
| Product Name | Type | EPA + DHA per Serving | Price per Month* | Highlights |
|---|---|---|---|---|
| Nordic Naturals Omega-3 | Fish Oil | 700 mg | $25 | High purity, third-party tested |
| Zesty Paws Omega-3 Bites | Fish Oil | 600 mg | $22 | Soft chew, great taste |
| NutraSea Omega-3 | Krill Oil | 550 mg | $30 | Antioxidants, sustainable source |
| Grizzly Omega-3 | Fish Oil | 650 mg | $27 | Wild-caught Alaskan salmon |
| VeggieOmega Algal Oil | Algal Oil | 500 mg | $35 | Vegan-friendly, plant-based |
*Estimated monthly price based on typical dosing for a medium-size dog.
Nordic Naturals Omega-3 Fish Oil
Nordic Naturals is my top pick when it comes to omega-3 supplements for dogs. This fish oil stands out because of its commitment to purity, potency, and sustainability. It’s sourced from wild-caught fish and undergoes third-party testing to ensure it’s free from heavy metals and contaminants — a huge win for peace of mind.
The natural lemon flavor makes it easy to add to your dog’s food without a fuss. Plus, with 700 mg of EPA and DHA per serving, it packs a powerful punch to support skin hydration, reduce inflammation, and promote a shiny coat.
Pros:
- High EPA and DHA content for maximum benefit
- Third-party tested for purity and freshness
- Sourced from sustainably wild-caught fish
- Natural lemon flavor dogs generally love
- No artificial colors or preservatives
Cons:
- Slightly higher price point compared to some competitors
Nordic Naturals Omega-3 Fish Oil
Clean, potent, and trusted — this is the omega-3 supplement you want in your dog’s routine for that healthy skin and gorgeous coat.
Check Latest Price on AmazonZesty Paws Omega-3 Bites
If your dog is a picky eater or you want something easier than fish oil drops, Zesty Paws Omega-3 Bites are a fantastic option. These soft chews combine high-quality fish oil with other skin-supporting ingredients like vitamin E to promote a shiny coat and healthy skin.
The chewable form is convenient and palatable, making it simple to add omega-3s to your dog’s daily routine without any hassle. Each serving delivers a solid 600 mg of EPA and DHA, which is just a bit less than liquid oils but still very effective.
Pros:
- Tasty soft chews dogs love
- Good EPA and DHA content (600 mg per serving)
- Includes additional skin-supporting nutrients
- Easy to dose, no mess or measuring required
Cons:
- Slightly lower omega-3 concentration than some oils
- Some dogs may be sensitive to chew ingredients
Wild Alaskan Salmon Krill Oil Chews for Dogs
NutraSea offers a premium krill oil supplement that’s rich in EPA and DHA and also loaded with the powerful antioxidant astaxanthin. Krill oil’s omega-3s are bound to phospholipids, which may enhance absorption compared to traditional fish oils.
This makes NutraSea a great option if you want to maximize bioavailability and give your dog an extra antioxidant boost to fight inflammation and support healthy skin. It’s sustainably sourced and undergoes rigorous testing for purity.
Pros:
- Contains astaxanthin antioxidant for added skin benefits
- Omega-3s in highly absorbable phospholipid form
- Sustainably harvested krill
- Supports skin, coat, and overall health
Cons:
- Usually pricier than fish oil supplements
- Smaller EPA + DHA content per serving compared to some oils
Grizzly Omega-3 Fish Oil
Grizzly Omega-3 Fish Oil comes from wild-caught Alaskan salmon, giving it a fresh, high-quality source of EPA and DHA. It’s a solid choice for dog parents who want a natural, no-frills omega-3 supplement with strong skin and coat benefits.
This fish oil undergoes stringent quality testing and is made in the USA. It’s known for a balanced EPA + DHA content that supports skin hydration and helps reduce flare-ups from allergies or dryness.
Pros:
- Wild-caught Alaskan salmon source
- Made in the USA with strict quality controls
- Balanced EPA and DHA amounts for skin & coat health
- Affordable compared to some premium brands
Cons:
- Taste may be less appealing for picky dogs
- Some users report slight fishy aftertaste
Grizzly Pet Products Algal Plus Omega
VeggieOmega Algal Oil is a fantastic plant-based omega-3 option, perfect for dogs with fish allergies or pet parents seeking a vegan-friendly supplement. Derived from microalgae, this oil provides a direct source of DHA and sometimes EPA, making it a strong alternative to traditional fish oils.
Although algal oil typically contains slightly lower EPA and DHA amounts than fish oil, it’s still effective in supporting skin hydration and reducing inflammation, especially for dogs sensitive to fish proteins.
Pros:
- Plant-based and vegan-friendly
- Good source of DHA and EPA without fish allergens
- Sustainable and environmentally friendly
- Suitable for sensitive dogs
Cons:
- Generally pricier than fish oil options
- Slightly lower EPA + DHA per serving
- Limited flavor options; some dogs may be hesitant
🐾 Best Omega-3 Supplement for Dogs
Nordic Naturals Omega-3 Fish Oil
Nordic Naturals is my top pick for the best overall omega-3 supplement for dogs. It’s known for purity, potency, and transparency — plus, it’s third-party tested to ensure no heavy metals or contaminants. The natural lemon flavor makes it easier to add to your dog’s meals without fuss.
- High EPA & DHA content (700 mg per serving)
- Sourced from wild-caught, sustainably harvested fish
- No artificial flavors or preservatives
- Third-party tested for purity & freshness
Cons: Slightly higher price point compared to others.
Check Latest Price on AmazonFinal Thoughts & Related Reading
Adding a high-quality omega-3 supplement to your dog’s diet can make a noticeable difference in their skin health and coat shine. Whether you choose fish oil, krill oil, or a plant-based option like algal oil, make sure to pick a product that fits your dog’s needs and preferences.
Remember to check with your veterinarian before starting any new supplement, especially if your dog has allergies or health conditions.
For more tips on keeping your furry friend healthy and happy, be sure to explore my other posts in the Health & Skin Silo 🐾. You’ll find guides on joint health, calming supplements, and more!