Is Fish Oil Good For Dogs? Benefits of Fish Oil for Pets

Posted By: Stella Pike | December 1, 2023


Fish oil basically comprises omega 3s, and its source is the tissues of oily fish. To pin it down, it has eicosanoids (signalling molecules), docosahexaenoic acid and eicosapentaenoic acid. In case you are unable to consume fish, fish oil is the perfect alternative as it benefits the brain and heart.

However, the following guide will solely focus on the benefits, side effects, forms of intake, etc, of fish oil for dogs. Now, the question arises, ‘Can you add fish oil to your pet dog’s diet?’ And the answer is, ‘Yes, you can’.

Moreover, before adding this nutritious element to your beloved animal’s routine food, you should consult a doctor. Their general diet and health are essential aspects of giving them fish oil supplements. Also, the best part is that you can eventually add them to your pet’s long-term diet plan.

Fish Oil for Dogs

Benefits of Fish Oil for Dogs

  • Supports heart health
  • Promotes silky dog coat
  • Relieves allergies
  • Strengthens immune system
  • Treats canine arthritis
  • Eases joint pain
  • Treats chronic kidney disease
  • Reduces flaky or itchy skin
  • Good for brain and eye development of puppies

Side Effects of Fish Oil for Dogs

Your dog’s consumption of fish oil is quite safe. Nevertheless, the high doses can result in certain discomforts, from mild to severe ones. For instance:

  • Vomiting
  • Diarrhea
  • Delay in wound healing
  • Dog’s skin or breath emitting a fishy odour
  • Oily coat
  • Sleepiness
  • More itchiness
  • Skin flakes
  • Constant stomach upset
  • Abnormal bruising or bleeding
  • Inflammation of pancreas
  • Seizures
  • Appetite loss

Besides, you have to avoid giving this supplement to your pets if they are insensitive to it. Also, you should avoid using supplements from brands with bad reputations.

If your adorable dog is already suffering from blood clotting disorders, then avoid adding fish oil to its diet. This is because fish oil has the capacity to increase the anti-clotting effects, and all your primary concerns lead to the well-being of your faithful pet.

Choosing Good Fish Oil for Dogs

  • Choose a reputable product source
  • The product should be investigated for contaminants, heavy metals and oxidation
  • Regular testing of EPA and DHA supplements as their loss of activity is doubted with time
  • Carefully observe the product package; glass containers are good for maintaining freshness
  • Aluminium containers can have shatter-free aspects.
  • Identify various forms of fish oil, for instance, chewy, capsules or liquid
  • Be careful not to give human fish oil to dogs as they have additional ingredients not suitable for animals
  • Prior to buying online, always ponder on the reviews and rating of previous customers.

Right Amount of Fish Oil for Dogs

It is apt to add fish oil to your four-legged animal every now and then. However, you should consult a vet before adding it to their everyday meal. Furthermore, there are certain other factors like your dog’s medical history, breed, age or weight that can help make this decision.

For its therapeutic uses, it is suggested that 50 to 220 mg of DHA and EPA supplements per kg of dog’s body weight is suitable.

Salmon Oil vs Fish Oil for Dogs

Please view the following comparison between salmon oil and fish oil for dogs

Salmon Oil Omega-3 Fish Oil
Higher omega-3 content Taken out from various wild-caught fish
Provides superior omega-3 absorption Offers good omega-3 absorption
Emits a strong salmon smell No fishy smell

Camelina Oil for Dogs

Camelina oil shares some advantages with fish oil, particularly for dogs. However, there are prominent differences, too. If you consider giving your pet this supplement, then keep in mind that it has a nutty taste, more like an almond.

Moreover, it comprises omega 3s. In dogs, it reduces shedding, prevents hot spots and promotes healthier skin.

Fish Oil for Dogs: FAQs

What Is the Best Fish Oil for Dogs?

  • Vetoquinol Trigylceride Omega-3 Liquid Supplements
  • Elanco Snip Tips Fatty Acid Capsules
  • Nutramax Welactin Fish Oil Supplements
  • Zesty Paws Omega Bites

What Is the Alternative to Fish Oil for Dogs?

Krill oil

Can I Buy Omega 3 Fish Oil for Dogs?

Yes, you can travel to a nearby pet supply store or veterinary pharmacy. Alternatively, you can buy such supplements online.

Is It Available on Walmart or Amazon?

Yes. All you have to do is type ‘fish oil for dogs’ in the search bars of both e-commerce sites. We suggest you consider the top results first and compare prices as well as ratings before making a valuable purchase.

Can I Give Fish Oil to My Dog for Itchy Skin?

Yes. It can offer relief in terms of itching and self-trauma. Dogs will also have an improved hair coat.

Can Fish Oil for Dogs Cause Diarrhea?

Yes, alongside other disorders, if you have given high doses of fish oil to your dog, there is a prediction of diarrhoea.

What Are Nordic Naturals Fish Oil for Dogs?

Nordic Naturals is a company that delivers effective nutrients. Besides, Nordic Naturals fish oil products are manufactured from wild-caught and fresh fish. Also, their products are third-party tested.

Is Fish Oil Good for Boxer Dogs?

Yes, because it reduces ventricular arrhythmias in boxer dogs. Also, this disease can cause sudden death.

What Are the Reviews on Kirkland Fish Oil for Dogs?

As per Amazon product reviews, 83% of customers have given 5 stars. Moreover, on Quora, someone stated that his daughter’s pet consumes it like a treat. Another feedback cites its high price. One has appreciated the reliability of these capsules.


Fish oil for dogs is a sublime source of omega-3s and signalling molecules. It is available in different forms of intake like liquid, capsules and chewable. Also, a number of nutrient brands deliver this valuable supplement all around the globe.

You have the ultimate option to buy either from a physical store like a veterinary pharmacy or online. However, you should be very careful in reviewing the feedback of existing customers prior to buying these products.