Best Fish Oil For Dogs Review 2020 | PUPPYFAQS

Best Fish Oil For Dogs Review 2020

best fish oil for dogs
(Last Updated On: December 15, 2022)

According to the extensive research, fish oil brings many benefits for humans, but the amazing thing is that it’s also useful to dogs no matter it’s in any form liquid, capsule to pill. 

At this time, you may wonder that why we don’t feed our dogs fish directly. That’s because, through fish oil, your dog will have more benefits than consuming fish directly. 

When it comes to Omega-3, it’s a complicated aspect, so in this article, I will list 5 options of the best fish oil for dogs as well as other valuable information relating to this kind of product:

Related Topic: Coconut oil for dogs

Best Fish Oil for Dogs 2020

Omega 3 Alaskan Fish Oil Chew Treats

Omega 3 Alaskan Fish Oil Chew Treats for Dogs - With AlaskOmega for EPA & DHA Fatty Acids - For Shiny Coats & Itch Free Skin - Natural Hip & Joint Support + Promotes Heart & Brain Health - 90 Count

Its challenging and overwhelmed to pick up the best fish oil for dogs because there are too many choices available on the market:No matter which breeds your dog is, how old it is, and it is big or small, this wellness supplement which is specially formulated can improve and support the skin and coat of your dog.Specifically, it promotes the skin health by components include Vitamin E, C and, Biotin which protect adult dogs as well as senior ones even puppies away from irritation, shedding, and itching.Meanwhile, Omega Bites contains liquid fish oil more than 500 mg of Omega fatty acids for each chew, so it’s beneficial to improve your dog’s dull and brittle coat into a soft, shiny, and healthy look by softening the skin and fur.Apart from the support of skin and coat, this formula has the natural ingredients to support the cardiovascular function and is rich in Vitamin C, EPA, and DHA to keep a healthy and happy immune system.If your dog is suffering the pain and stiffness, the omega fatty acids support to lubricate its hip and joints to improve your dog’s step and mobility or at least minimize the joint pain as low as possible.While its form is perfect for dog lovers of chewing, the tasty chicken flavor satisfies the appetite of any dog even the dogs don’t enjoy fishy foods.The source of Omega 3 Alaskan Fish Oil is the pure and MSC-certified sustainable Wild Alaskan Pollock. Thus, it has a 5.0 oxidation level that provides your pup with the most refined and cleanest fatty acids with the best effectiveness.


  • Small enough, so it’s easy to chew
  • Not hard and crunchy
  • Smart design – the sealed outside and inside bottle


  • Not Cheap

The Limitations:

It takes about a couple of weeks to see effectiveness even in some severe cases, it may be longer.

Nutramax Welactin Canine Softgel Capsules

Nutramax Welactin 3 - Canine 120 - Softgel Caps

The well-known brand of the Nutramax Welactin is the thing you can believe to invest in this product. Compared to its competitors, this fish oil supplement is rich in nutrients and higher in DHA and omega 3.It’s easy to provide your dog an exact dosage because the manufacturer has correctly measured the amount for each capsule. For example, if your dog weighs 20 pounds, let you feed it a pill per day because each one contains 300 mg omega 3 and about 100 mg of DHA, 155 mg of EPA.Because of the minty soft-gel capsule form, you can use it for the different purposes such as treats, cut and the primary function is to mix with other dog foods. After consuming, the coat of your dog becomes more glistened.This fish oil doesn’t cause any problem with the digestive system which usually occurs when pets use a kind of food supplement for the first time.It’s useful to help your pup recover from joint pains, immobility, illness, and surgery.The source of this supplement is the cold water natural salmon. It is rich in omega 3 fatty acids which improve the immune system – a natural treating way.However, to have all the benefits from this product, you must feed it the right amount. Luckily, the manufacturer has packed the exact dosage for each capsule. If you are the owner of a small dog about or less than 20 pounds, feed it one tablet per day. And the larger dogs require more than 3 capsules every day.


  • Minty flavor minimizes the fishy smelling breath
  • Can improve the dry skin condition of dogs
  • Recommended by many veterinarians


  • Pretty big to put in the mouth even hard to swallow for some small dogs

The Limitations:

Nutramax Welactin Canine Softgel Capsules just can support to recover from the pains and illness, and it can’t treat completely. You need to pay attention to how to feed your dog these capsules. Some dogs just can consume the ones coated in peanut butter or something like that.


Pure Wild Alaskan Salmon Oil for Dogs & Cats - Supports Joint Function, Immune & Heart Health - Omega 3 Liquid Food Supplement for Pets - All Natural EPA + DHA Fatty Acids for Skin & Coat - 32 FL OZ

If your dog is bearing the uncomfortable feeling of itchy skin, allergies, excessive shedding and hot spots as well as the pains of hip, joint, and arthritis, this is the excellent option to strengthen its health by minimizing the symptoms of these problems with the necessary fatty acids.This supplement contains 2 components: omega 3 and omega 6 fatty acids which hydrate its skin to create a shiny and healthy coat. Besides, it also offers other benefits such as boosting immunity, giving more energy, protecting heart, and brain functions.Thanks to this product, you don’t need to measure an exact dosage which readily leads to a mess if that’s the first time you do, or you are an inexperienced person in this task. In spite of a liquid form, the manufacturer attaches to a pump style dispenser. What you have to do is only to use that dispenser to pump a suitable amount to the food. Done!No matter which breed of dog you own and how to size it is, it can give the best outcome when mixing with food especially it comes with a delicious taste which both dogs and cats likeAs the name suggests, the source of Pure Wild Alaskan Salmon is wild caught salmon in the pristine water of Alaska that is an ideal option for any pet. Why? Because it has many advantages including natural feature, human grade, free of toxin, and pure certification.This product comes from the USA where is famous for the high-quality products. Thus, you have an extra big apart to believe. In particular, 100% guaranteed satisfaction likes a promise with their customers about the quality of the products. If your dog doesn’t enjoy the fish oil for any reason, this is applied to give you money back.


  • Useful for supporting the dry skin treatment
  • Easy to add a correct amount with the pump style dispenser
  • Reasonable price


  • Bottle may leak if tipped over

The Limitations:

It can treat severe grass allergies with the symptoms of constant itching and hair loss, but it takes an extended period. About using until the end of the first bottle can see the improvement.

Zesty Paws Omega-3 Salmon Bites

Salmon Fish Oil Omega 3 for Dogs - With Wild Alaskan Salmon Oil - Anti Itch Skin & Coat + Allergy Support - Hip & Joint + Arthritis Dog Supplement - Natural Omega-3 & 6 + EPA & DHA - 90 Chew Treats

The source of Salmon Oil Chewables is the wild caught Alaskan Salmon Oil and Salmon Meal which offers Omega 3 and Omega 6 fatty acids including EPA and DHA. Therefore, this is considered as the best product for dogs of all ages, any breeds, and sizes.Thanks to featuring DHAgold which is producing with the particular encapsulation technology for the prevention of oxidation, this potent formula is advanced the DHA support. Because it is an algae source of DHA fatty acid, it’s beneficial to nourish your dog’s coat and skin. Furthermore, this is also an ideal solution to strengthen the overall health of the heart and brain.While Vitamin C in this tasty supplement can support antioxidant, the combination of Vitamin E and Biotin is useful for the treatment of the dry and irritated skin condition to promote a healthier skin look. Meanwhile, fatty acids improve its coat shinier and softer.Apart from the appearance, this is also a great product to keep your dog healthy from the inside like the support of immune system function. What’s more, if you own an old dog, the high opportunity is that it feels uncomfortable with its hip and joint. And this product can minimize the pains and make the movement easier.Zesty Paws is a brand which you can trust because the facilities of Salmon Bites manufacturer has been registered FDA which is certified GMPA and NSF in the USA.


  • Recommended by many vets
  • Some users believe that this product is an excellent replacement for an expensive prescription or any joint supplement
  • For dogs with no any issues, this fish oil is a perfect option to prevent the future problems


  • When increasing the dosage, the breath of dog smells pretty fishy

The Limitations:

In spite of the right taste, some picky dogs won’t take them.

Grizzly Salmon Oil Supplement

Grizzly Salmon Oil 32oz (2-16oz bottles)

The source of Grizzly Salmon Oil is the fresh wild caught Alaskan Salmon without any added ingredients, so it’s pure salmon oil. That means it’s all-natural, leading to the different color.Like other fish oils, the Grizzly Salmon Oil All-Natural Dog Food which contains omega 3, omega 6 as well as Arachidonic fatty acids is also a great product to support from outside (skin and coat) to the inside (heart and immune system)This product is attached to a pump dispenser so you can measure a correct dosage quickly and easily without causing a mess. Before doing, don’t forget to read the dosage direction included in the package.This fish oil has a varying size from 8-ounce to 64-ounce bottles. Thus, depending on how big your dog is and how money you spend on this product, you can pick up a suitable one. In this case, you should buy the big-sized bottle for large dogs or dog households, for example.


  • Highest Quality
  • Easy to use


  • Inconsistent price which depends on the third party vendors

The Limitations:

Although there is the mercury content in this fish oil, the manufacturer makes sure the level is below the detection level.


Choosing the best fish oil for dogs of the roundup is hard. However, I highly recommend Omega Bites because any dog can use this product that can support and improve the overall coat and skin health. It can protect your dog away from irritation, shedding, itching and keep a healthy, happy immune system.Develop and maintain healthy cardiovascular and nervous systems, each dog needs to be offered 2 kinds of the essential fatty acids: Omega-3 and Omega-6. While your dog can consume much Omega-6 in its daily diet, there are not many foods available on the market containing Omega-3 which is fragile, so it’s straightforward to break down fast due to air, heat, and light. Thus, you should add the fish oil to your dog’s diet.

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What’s fish oil supplement?

Perhaps many of you have known precisely what fish oil supplement is. However, to make sure everything is clear, I will explain this problem.Fish oil is omega-3 fatty acids – a component in kinds of cold-water fishes such as herring, mackerel, and salmon liver. Generally, fish oil is a kind of oil extracted from fish. The manufacturer will package and sell it as a supplement in the varying forms from liquid to tablet. In particular, a few products are mixed with minerals and vitamins. It includes 2 omega-3 fatty acids: EPA and DHA.

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The differences between the fish oil, krill oil, and salmon oil:

Although both krill oil and salmon oil can offer your dog the high level of Omega 3 fatty acids, EPA, and DHA, you need to be aware of their primary differences:Krill oil is extracted from small crustaceans especially it includes the more significant amount of EPA. The Omega-3 fatty acids of krill include antioxidant (astaxanthin)Fish oil lasts longer than krill oil significantly about 48-72 hours before the decomposition process, and oxidation starts working.As the name suggests, salmon oil is derived from salmon entirely while fish oil is derived from the different kinds of fishes: albacore tuna, sardines, salmon, herring, and trout.

How to choose the right fish oil:

best fish oil for dogs

Pick up a suitable product for your puppy, there are many considerations, but below I just list the most important things:

Check the source of the fish oil:

It’s very essential to know which fish your fish oil supplement is made from because some of the fishes aren’t high in EPA and DHA.If you want to purchase a product that comes with the highest level of EPA and DHA, you should choose fish oils which are made from sardine, herring, mackerel, and anchovy. Or pollock, cod liver, krill, and salmon are also the great option to provide your dog with a decent amount of Omega-3 fatty acids.Don’t forget to check the information of the source on the label carefully. When it comes to the source of fish oil, many buyers also pay attention to how the fish source is grown. The excellent condition is to catch fishes in the wild which are less likely to eat artificial foods.

Which form of fish oil is the best: capsule or liquid?

Although the content inside is the same, there are still some differences between these 2 things. To know which form of fish oil you should buy, you can’t skip this vital consideration – how you will administer the fish oil. Actually, the unfortunate fact is that no matter the fish oil is in any form, it’s difficult to deliver to your puppy. While you can drizzle the liquid fish oil over the dog food, you can use capsules as treats by squeezing them into the big food like the hotdog to let your dog consume. If you want your dog absorpt fish oil immediately, you had better pick up liquid form in place of capsules fish oil which needs to be broken down before the use.

Ask your vet before allowing it to use:

Although you can find out a good product without being recommended or tested, it’s better, if you have the great words of the mouth about the finest canine fish oil from professionals like the veterinarian.

Appetizing smell and taste of fish oil:

This isn’t a big problem since the majority of dogs love the smell and taste of fish. But, to be careful and don’t waste your time and money, you should read reviews from the previous users to know which objects that product is aiming.

The benefits of fish oil for dogs:

Is fish oil good for your dog? There is no doubt to answer yes. Recently, according to a multitude of research, fish oil can offer dogs several benefits. For example, it can improve the overall health of your dog as well as protect the canines, especially it’s helpful for coat and skin problem. Some other aspects include benefiting brain, heart, kidneys, immune system and recovering from cancer and joint problems. Below are the details:

  • The tremendous anti-inflammatory properties are helpful to tackle allergies, arthritis even inflammation in the bowel
  • The coat and skin of your dog can be restored shine and reduced shedding
  • Its weight is managed better
  • It helps lower the blood pressure
  • The cholesterol (triglyceride levels) is also reduced
  • Adding fish oil into its diet is also a way to strengthen the immune system
  • It’s useful for the improvement of cognitive function
  • Fish oil helps with eye health and cognitive function develop better
  • Boosts circulation by supporting heart health.

The right amount of fish oil for dogs is?

Though fish oil has a lot of benefits for your dog, it’s not good when consuming a wrong amount even that’s harmful to the health of the dog. Before feeding, keep in mind to ask your vet in advance. He/she will let you know if that supplement is suitable for the diet.Based on how much EPA and DHA dogs can handle safely, the National Research Council has had the proper dosage of fish oil: 20-55 mg of EPA/DHA (combined) per 1lb of its body weight.To make clear, I will give you an example. A single fish oil dosage of 1.000 mg which contains about 300 mg of EPA/DHA (combined) suits a 30-lbs dog. In case, your dog is bearing the pain of severe disease, you should increase the dosage (ensure your vet accepts)Another simple and easy way is to check “fish oil dosage for dogs” on the package which indicates how much fish oil for your dog. If your vet doesn’t specify, just read the instruction to follow.

The possible side effects of fish oil:

Naturally, fish oil has several benefits, but there will be side effects if you feed your dog correctly:

  • Gastrointestinal distress: this is the cause of letting your dog consume more fish oil than what it should be. The symptoms of this disease include flatulence levels attached to discomfort or the change in bowel movements. In this case, you need to make an appointment with your vet to discuss how much fish oil you should feed it.
  • Clot reduction: naturally, fish oil is a slippery substance. Thus, in some cases, because of it, the platelets become harder to stick together, slowing down clotting.
  • Blood-thinning medication: If your dog used to be hurt, ending up scrapes and cuts on the skin, I highly recommend you ask your vet the proper amount of fish oil your dog needs. In the event of blood-thinning medication, keep your dog away from fish oil.
  • Interaction with anti-inflammatory medication: This is also a severe case which needs the help of your veterinarian.

I hope this article was useful in your search for coconut oil for dogs.  Please leave a comment below.


I'm a self-employed blogger, life-long pet parent, and lover of dogs. I have always loved animals, especially puppies. So when my family got our first dog 15 years ago, it was love at first sight. We named her Sassy because she was so small, cute, and had a sassy personality! Once we got her home, I wanted to know everything about caring for her, so I researched online. Eventually, this led me to create the PUPPYFAQS website, where I write about nutrition, health, and care of puppies and the latest news in the world of puppies. In my spare time, I volunteer at my local shelter, which is run by volunteers who are passionate about helping homeless dogs find their forever homes. If I'm not working or volunteering for dogs, you can find me spending time with my family, friends, and my puppy. I have been writing professionally online since 2009. In addition to PUPPYFAQS, I also write for several other pet-related publications.

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