Brief – IVS Pet – Dog Fish Oil: Pros, Cons, and Dose


As a devoted dog owner, you want to provide your furry companion with the best care and nutrition. When it comes to supplements, one of the most popular choices is dog fish oil, which is packed with beneficial omega-3 fatty acids. While fish oil offers numerous advantages, it’s essential to understand both its pros and cons before incorporating it into your dog’s diet. Our IVS Pet blog explores the pros and cons of dog fish oil and recommended dosage guidelines to ensure your pet receives maximum benefit. If this is what you are looking for, feel free to read and explore further!

The Pros and Cons of Dog Fish Oil

There are many pros and cons of dog fish oil. But let’s start with the pros.


  1. Healthier Skin and Coat

Omega-3 fatty acids, such as EPA and DHA, are essential for nourishing the skin and promoting a shiny, healthy coat in dogs. It can help alleviate dry, itchy skin and reduce excessive shedding, leading to a happier and more comfortable dog.

  1. Better Cognitive Function

Fish oil contains high levels of DHA, a fatty acid that supports dogs’ cognitive function and brain health. From puppies to senior dogs, fish oil can aid brain development and maintain mental acuity, keeping your furry friend sharp and engaged.

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  1. Enhances Immune System

As your pet’s immune system is boosted by omega-3 fatty acids, he will be better equipped to fight infections and illnesses.


  1. Rancidity Potential

As fish oil oxidizes, it can develop a rancid smell and taste. Rancid fish oil may not only be unappetizing for your dog but also less effective in delivering the desired benefits. Ensuring you purchase high-quality, fresh fish oil can mitigate this issue.

  1. Calories and Fat

Fish oil is calorie-dense and contains fat, so if not given in appropriate amounts, it can contribute to weight gain in dogs. If your dog is overweight, it’s important to control their caloric intake and adjust their diet accordingly when supplementing with fish oil.

  1. Interference with Blood Clotting

High doses of fish oil may interfere with blood clotting in some dogs. If your dog is undergoing surgery or has a bleeding disorder, consult your veterinarian before giving fish oil to avoid any potential complications.

What’s The Ideal Dose of Dog Fish Oil?

The best way to figure out the ideal dose is to consult a professional veterinarian. They can craft a personalized dose for your dog to meet their unique needs. But if you;re looking for a general guideline, here’s how it goes:

  1. Small Dogs (up to 20 lbs): 250-500mg of combined EPA and DHA daily. 
  2. Medium Dogs (20-40 lbs): 500-1000mg of combined EPA and DHA daily. 
  3. Large Dogs (40-60 lbs): 1000-1500mg of combined EPA and DHA daily. 
  4. Extra-Large Dogs (over 60 lbs): 1500mg or more of combined EPA and DHA daily.


Dog fish oil is a valuable supplement with numerous benefits for your canine companion. Fish oil can significantly enhance your dog’s overall well-being, from promoting healthy skin and coat to supporting joint health and cognitive function. However, it’s essential to consider the potential cons and consult with your veterinarian before introducing any supplement into your dog’s diet. By following the recommended dosage guidelines and choosing a high-quality fish oil, you can provide your furry friend with all the advantages of this fantastic supplement, ensuring they lead a happy, healthy, and active life.


  1. How do I administer fish oil to my dogs?

It comes in liquid or gel forms, capsules too. So you can use that and put it in their meals or merge with their treats.

  1. Can I give fish oil to my pregnant dog?

Yes, you can. It’s completely safe and also good for your dog’s overall health and well-being!

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