Is Fish Oil Good for Dogs?

If you’ve ever searched “best supplements for dogs,” fish oil almost always makes the list—and for good reason.

Packed with omega-3 fatty acids, fish oil helps support healthy skin, coat, and joints while promoting whole-body wellness [1,2,3].

Here’s what every pet parent should know before adding fish oil to their pup’s routine.

What Is Fish Oil, Exactly?

Fish oil is a natural source of omega-3 fatty acids—specifically EPA (eicosapentaenoic acid) and DHA (docosahexaenoic acid) [1,2,3].

These are essential fats, meaning your dog’s body can’t produce them on its own—they need to come from healthy, whole foods or supplements.

When included as part of a balanced daily pup routine, omega-3s may help support things like [2,3]:

• Joint comfort and flexibility

• Cognitive function

• Heart and circulatory health

• Eye and immune system support

So, what does that mean for your sweet pup?
Keep reading to find out...

Top 3 Benefits of Fish Oil for Dogs

It means those tiny omega-3s are working hard behind the scenes—helping your dog feel, move, and look their best every single day. Here’s how:

1. Supports Skin & Coat Health

Dull fur? Occasional itching?
Your pup’s skin might need a little extra nourishment.
Omega-3s help maintain normal moisture levels and support a soft, glossy coat every pet parent loves to snuggle [1,2,3].

2. Helps Maintain Healthy Joints & Mobility

Whether your dog is aging gracefully or always on the move, omega-3s can help maintain joint comfort and flexibility for every life stage.
By supporting a normal inflammatory response with natural antioxidants, fish oil helps your dog stay active and playful [1,2,3].

3. Promotes Whole-Body Wellness

Omega-3s don’t stop at the surface.
They also support brain, heart, eye, and immune function, helping your pup feel their best—from nose to tail [1,2,3].

What to Look for in a Quality Fish Oil Supplement

Not all fish oils are created equal.
Many only offer surface-level support—but your pup deserves a formula that goes deeper.

Here’s what to check before you buy:

1. Source Matters: Look for premium fish oils from salmon, anchovies, or sardines—and make sure “Fish Oil” or “Fish Oil Concentrate” appears near the top of the ingredient list.
2. Quality Counts: Choose a supplement that’s GMP certified and 3rd-party tested for purity, potency, and safety. This helps ensure your dog gets consistent, high-quality Omega-3s in every bite.
3. Serving Size = Success: Even the best formula won’t work if your dog isn’t getting the right amount for their size and weight. Follow the serving directions carefully—more isn’t always better, and too little won’t deliver the benefits.
4. Look for the Right Extras: Stick with brands that never use grains, dyes, or artificial preservatives. Bonus points if they’re made by a dog-loving company that focuses on real wellness, not fillers.

The best fish oil supplements combine trusted ingredients, transparent testing, and tailored serving sizes—because every pup is unique!

An Easy Way to Add Omega-3s to Your Dog’s Day!

No messy liquids. No hard-to-swallow capsules. Just simple, tasty nutrition your pup will actually look forward to. 

PupGrade makes it easy with delicious bite-sized supplements packed with high-quality fish oil:

Skin & Coat Support Soft Chews

• Gentle on sensitive stomachs
• Made with Fish Oil, Vitamin C, and Vitamin E
• Helps maintain a shiny coat, comfortable skin, and normal inflammation response*

Daily Multivitamin Soft Chews

• Balanced blend of vitamins, amino acids, and fatty acids
• Includes Cod Liver Oil for skin, coat, and immune support*

Itch & Allergy Support Soft Chews

• Features Alaskan Salmon Oil, Apple Cider Vinegar, & Colostrum
• Supports skin comfort, coat health, and immune balance*

Pup Parents Love It

Soft, savory, and science-backed—so your dog gets their Omega-3s the easy way.

Because Every Dog Deserves to Feel Their Best

Small daily habits make a BIG difference.
Adding fish oil to your pup’s routine is a simple way to keep tails wagging — all year long.

Start Today!
- Easy-to-chew soft bites
- Wholesome ingredients
- Real results, happy pups

✨ Use code BLOG10 at checkout to save 10% on your first order!

Made in USA | GMP Certified | 3rd-Party Tested | Driven By Love

This information is intended for general purposes only and should not be considered medical advice. Always consult with your veterinarian before making any changes to your dog’s diet or health routine, especially if you notice persistent or concerning changes in your dog's movement or behavior.

**These statements have not been evaluated by the Food and Drug Administration. These products are not intended to diagnose, treat, cure, or prevent any disease or health condition.

Resources: 

1. Bauer JE. Therapeutic use of fish oils in companion animals. J Am Vet Med Assoc. 2011 Dec 1;239(11):1441-51. doi: 10.2460/javma.239.11.1441. PMID: 22087720. https://pubmed.ncbi.nlm.nih.gov/22087720/ 

2. Biagi, Giacomo, Mordenti, Attilio, Cocchi, Massimo. 2004/01/01. The role of dietary omega-3 and omega-6 essential fatty acids in the nutrition of dogs and cats: A review. 6, Progress in Nutrition. https://www.researchgate.net/publication/272784328_The_role_of_dietary_omega-3_and_omega-6_essential_fatty_acids_in_the_nutrition_of_dogs_and_cats_A_review

3. Carlisle C, Metzger BT, Tintle NL, Polley K, Jackson KH, Le Brun-Blashka S, Griffiths J, Harris WS. The Effects of Omega-3 Supplementation on the Omega-3 Index and Quality of Life and Pain Scores in Dogs. Animals (Basel). 2024 Oct 29;14(21):3108. doi: 10.3390/ani14213108. PMID: 39518831; PMCID: PMC11545626. https://pmc.ncbi.nlm.nih.gov/articles/PMC11545626/