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Which Oil Supplement Is Right for Your Dog? A Guide to Choosing the Best One

Posted on 10.05.2026

Dry skin. Dull coat. Joint support. Everyday wellness.

If you've shopped for pet supplements lately, you've probably noticed there are a lot of oils you can add to your dog's bowl. Fish oils, omega blends, skin and coat formulas, and joint-support oils can all have a place in your pet's routine, but they're not necessarily designed for the same goal.

So how do you know which one belongs in your dog's bowl?

Let's break it down.

 

Quick Answer

The best oil supplement for your dog depends on what you're hoping to support. Fish oils rich in EPA and DHA are popular for skin, coat, joints, and overall wellness, while broader omega blends may provide Omega 3, 6, and 9 fatty acids. Other formulas include additional ingredients specifically for joint and mobility support.

The key is finding the formula that best matches your dog's needs.

 

Want to Add More Omega-3s to Your Dog's Diet?

Look for: Open Farm Icelandic Herring & Salmon Oil

If you're specifically looking for a fish oil rich in EPA and DHA, Open Farm Icelandic Herring & Salmon Oil is a great place to start.

Made from Icelandic herring and salmon, this refined fish oil provides concentrated omega-3 fatty acids that support skin and coat health, joint mobility, brain function, and overall wellness.

It's also purified for quality and designed to be easy to add right to your dog's regular food.

Why We Love It

  • Rich in EPA & DHA omega-3 fatty acids
  • Supports healthy skin and a shiny coat
  • Promotes joint mobility
  • Supports brain function
  • Made with traceable, sustainably sourced fish oils
  • Easy to use as a daily topper

 

A great fit for: Pet parents specifically looking to add a concentrated source of fish-based EPA and DHA to their dog's diet.

Is Skin & Coat Health Your Main Goal?

Look for: Ultra Oil Skin & Coat Supplement

If dry, itchy skin or a dull coat is what sent you looking for an oil in the first place, Ultra Oil Skin & Coat Supplement puts those needs front and center.

This daily oil combines sardine, anchovy, hempseed, flaxseed, and grapeseed oils to provide a blend of Omega 3, 6, and 9 fatty acids.

While it can support overall wellness too, its skin and coat focus makes it an easy option for pet parents looking for targeted everyday support.

Why We Love It

  • Provides Omega 3, 6 & 9 fatty acids
  • Supports healthy skin and coat
  • Helps support dry, itchy skin
  • Supports overall wellness
  • Made with a blend of fish and plant-based oils
  • Easy daily pump for dogs and cats

 

A great fit for: Dogs whose skin and coat are your biggest priority.

Is Joint Mobility the Priority?

Look for: Ultra Oil Joint

Not every oil supplement is primarily about skin and coat.

If your dog is getting older, lives an active lifestyle, or could use extra mobility support, Ultra Oil Joint takes a more targeted approach.

Along with its oil base, the formula includes ingredients commonly used for joint support, including glucosamine, chondroitin, MSM, collagen, Boswellia, and hyaluronic acid.

That makes it different from a traditional fish or omega oil when joints are your main reason for adding a supplement.

Why We Love It

  • Supports healthy joints and mobility
  • Contains glucosamine and chondroitin
  • Includes MSM and collagen
  • Contains Boswellia and hyaluronic acid
  • Supports a normal inflammatory response
  • Peanut butter flavor makes daily use easy

 

A great fit for: Senior dogs, active dogs, or dogs who could use more targeted joint and mobility support.

Want One Oil for Everyday Wellness?

Look for: Austin & Kat Austin's Everything Oil

Maybe you're not trying to address one specific concern. You simply want an easy daily oil that supports your pet from nose to tail.

That's where Austin & Kat Austin's Everything Oil comes in.

This versatile formula provides optimized ratios of Omega 3, 6, and 9 fatty acids to support several areas of everyday wellness, including skin and coat health, joint mobility, and cardiovascular health.

Simply add it to your pet's food or administer it directly. It's designed for both dogs and cats, making it an especially convenient option for multi-pet households.

Why We Love It

  • Provides Omega 3, 6 & 9 fatty acids
  • Supports healthy skin and a shiny coat
  • Supports joint health and mobility
  • Helps support cardiovascular health
  • Made with premium, human-grade ingredients
  • Uses marine oils from sustainable fish sources
  • Suitable for dogs and cats
  • Easy to add directly to food

 

A great fit for: Pet parents looking for a broad everyday omega supplement rather than support for one specific area.

So, Which Oil Is Right for Your Dog?

Here's where things can get confusing.

Several oils may support some of the same areas of health. That doesn't mean they're all interchangeable.

Instead of asking:

"What's the best oil for dogs?"

Try asking:

"What am I hoping to add to my dog's diet or support?"

If your goal is... A great place to start is...
Concentrated fish-based EPA & DHA Open Farm Icelandic Herring & Salmon Oil
Skin & coat support Ultra Oil Skin & Coat Supplement
Targeted joint & mobility support Ultra Oil Joint
Broad everyday Omega 3, 6 & 9 support Austin & Kat Austin's Everything Oil

Looking at your main goal first can make that wall of supplement bottles a whole lot less intimidating.

 

Can Dogs Take More Than One Oil Supplement?

More isn't automatically better.

Because many oil supplements have overlapping ingredients and benefits, using several at once may provide more of certain nutrients than your dog needs.

Before combining supplements, compare the ingredients and recommended serving sizes. Our Two Bostons Team Members can also help you look at what your dog is already eating and determine whether another supplement makes sense.

If your dog has a health condition, takes medication, or has specific dietary needs, talk with your veterinarian before introducing a new supplement.

 

Don't Forget the Rest of the Bowl

An oil supplement should do exactly what its name suggests: supplement your dog's regular diet.

Start with a complete and balanced food that meets your dog's nutritional needs, then use supplements to provide additional support based on their individual lifestyle and wellness goals.

And remember that oils add calories too. Following the recommended serving size is important, especially if you're adding an oil every day.

 

Final Thoughts

There isn't one oil that's automatically the best choice for every dog.

If you're looking specifically for EPA and DHA, a concentrated fish oil like Open Farm may make the most sense. If skin and coat are your priority, Ultra Oil Skin & Coat offers a broader blend. For more targeted mobility support, Ultra Oil Joint brings additional joint-focused ingredients into the mix. And if you want an everyday Omega 3, 6, and 9 supplement, Austin & Kat Austin's Everything Oil offers broad wellness support.

The best place to start is simple: figure out what you're hoping to support first.

Not sure which bottle belongs in your dog's bowl? Stop by Two Bostons for a personalized one-on-one Nutrition Consultation. Our Team Members can help you compare formulas, look at what your pet is already eating, and find an option that fits their age, activity level, diet, and wellness goals.

 

 

 

 

 

 

 

 

 

 

 

 

 

Frequently Asked Questions

What's the best oil supplement for dogs?

There isn't one oil that's best for every dog. The right option depends on what you're hoping to support, such as adding EPA and DHA, supporting skin and coat health, promoting joint mobility, or adding a broader blend of Omega 3, 6, and 9 fatty acids.

Is fish oil good for dogs?

Fish oil is commonly used as a source of the omega-3 fatty acids EPA and DHA. These fatty acids can help support healthy skin and coat, joint mobility, brain function, and overall wellness when fed in appropriate amounts.

What's the difference between fish oil and an omega blend?

Fish oils are typically chosen for their EPA and DHA content. Omega blends may combine fish and plant-based oils to provide a broader range of fatty acids, such as Omega 3, 6, and 9.

The right choice depends on what your dog's regular diet already provides and what you're hoping to supplement.

What's the difference between Open Farm Fish Oil and Austin & Kat Everything Oil?

Open Farm Icelandic Herring & Salmon Oil is a fish oil specifically designed to provide concentrated EPA and DHA from herring and salmon.

Austin & Kat Austin's Everything Oil provides a broader Omega 3, 6, and 9 blend designed to support everyday wellness, including skin and coat, joints, and cardiovascular health.

Can I add oil to my dog's food every day?

Many oil supplements are designed for daily use when fed according to their directions. Follow the serving recommendations for the specific product and remember that oils also add calories to your dog's diet.

Can my dog take more than one oil supplement?

Possibly, but that doesn't mean they need to. Different products can contain overlapping fatty acids and other ingredients. Before combining supplements, compare their formulas and serving sizes or ask your veterinarian or a Two Bostons Team Member for guidance.

Can cats have these oils too?

Some oil supplements are formulated for both dogs and cats, including Ultra Oil Skin & Coat and Austin & Kat Austin's Everything Oil. Always check the individual product's feeding directions before giving a supplement to your cat.