We’ve heard health experts talk about the benefits of fish oil for human beings but the real question here is can dogs have fish oil and what are the benefits to our furry friends? After all, both dogs and humans can suffer from the ill effects of inflammation, which can lead to cancer in both species. Anything that might prevent dog cancer is sure to pique the interest of pup parents.
Some pet owners say fish oil is great for pooches, while others say “No thanks.” It can be very confusing for pet parents who simply want what’s best for their canine companions. Let’s help you avoid confusion and dig into the question, can dogs have fish oil and give you some straightforward findings.
Have you been wondering if you can save some money by giving your pup the same fish oil capsules you take? You’re not alone! As pet owners, we’re always looking for ways to keep our furry friends healthy while also being budget-conscious. Fish oil has become super popular for both humans and dogs, but the big question remains can dogs take human fish oil safely?
The short answer is yes, dogs can take human fish oil supplements – but there are some important things to consider before sharing your omega-3s with your four-legged friend Let’s dive into everything you need to know about giving human fish oil to dogs
What Exactly Is Fish Oil and Why Is It Beneficial?
Fish oil is an extract derived from cold-water fish like salmon, anchovies, sardines, mackerel, and herring The magic ingredient in fish oil is omega-3 fatty acids, particularly two types that you’ll often see on labels
- EPA (eicosapentaenoic acid): Great for reducing inflammation
- DHA (docosahexaenoic acid): Important for brain and eye development
These powerful omega-3s provide a bunch of health benefits for both humans and our canine companions. For dogs specifically, fish oil can help with:
- Improving skin and coat health (especially for itchy dogs with allergies)
- Supporting joint health and reducing arthritis pain
- Boosting heart health
- Slowing the progression of kidney disease
- Enhancing cognitive function, particularly in senior dogs
- Reducing inflammation throughout the body
- Lowering blood triglyceride levels
Human Fish Oil vs. Dog Fish Oil: What’s the Difference?
Here’s where things get interesting. In many cases, the actual fish oil in human and dog supplements is essentially the same. Both contain those beneficial omega-3 fatty acids from the same fish sources. The main differences typically come down to:
- Dosage: Human supplements are formulated for human body weights
- Added ingredients: Human products might contain flavorings or additives that aren’t safe for dogs
- Formulation: Some dog-specific products are flavored to appeal to pups
The fish oil itself comes in three main forms for both humans and dogs:
- Triglyceride
- Ethyl ester
- Free-form fatty acids
All three forms are generally considered safe for dogs when given in appropriate amounts.
Is It Safe to Give Human Fish Oil to Dogs?
Yes, you can give human fish oil to dogs IF the product meets these requirements:
- It contains ONLY pure fish oil (check those ingredients!)
- It doesn’t contain harmful additives like xylitol or excessive flavorings
- You adjust the dosage appropriately for your dog’s size
However, there are two major concerns to be aware of when giving human fish oil capsules to dogs:
1. Capsule Ingredients May Be Problematic
Not all fish oil capsules are created equal. While high-quality capsules may simply contain gelatin, glycerin, and water, cheaper brands might include potentially harmful chemicals.
Some fish oil capsules contain ingredients like:
- Polysorbate 80
- Methacrylic acid copolymer
- Propylene glycol
These additives may cause adverse effects in dogs. According to research, some of these chemicals have shown toxicity in animal testing and could potentially cause digestive upset or worse.
2. Swallowing Difficulties
Even for large dogs, swallowing those big fish oil capsules can be uncomfortable or difficult. Just because your dog is big doesn’t mean they’ll have an easy time with those gel caps!
If you’ve ever taken fish oil yourself, you know those capsules can feel like they’re taking forever to go down. Now imagine your dog trying to swallow one without understanding what’s happening.
The Poke and Squeeze Method: A Better Approach
Rather than giving your dog the whole capsule, many vets and experienced dog owners recommend the “poke and squeeze” method:
- Have your dog’s food ready
- Hold the fish oil capsule gently over your dog’s dish
- Use a clean, sharp object (like a tack) to poke a small hole in the tip of the capsule
- Squeeze the oil onto your dog’s food
- Discard the empty capsule
This method ensures your dog gets all the benefits of the fish oil without the potential issues from swallowing the capsule or consuming questionable capsule ingredients.
Fish Oil Dosage for Dogs
Dosing fish oil correctly is super important. Too little won’t provide benefits, while too much can cause side effects.
Most experts recommend dosing based on EPA and DHA content rather than the total amount of fish oil. The general guidelines are:
- For healthy dogs: 20mg of EPA+DHA per pound of body weight
- For dogs with specific health issues: Up to 60mg of EPA+DHA per pound (only under vet supervision)
For example, a 50-pound dog might need about 1,000mg of combined EPA+DHA daily for general health support.
But here’s the deal – always check with your vet before starting any supplement. They can recommend the right dosage for your specific dog based on their health, age, and needs.
Potential Side Effects of Fish Oil in Dogs
Even though fish oil is generally safe, some dogs might experience side effects, especially when first starting supplementation:
- Digestive upset: Diarrhea, vomiting, or general GI discomfort
- Fishy odor: Your dog’s breath or skin might smell a bit fishy
- Oily coat: Some dogs develop an excessively oily coat or dandruff
Most of these side effects are mild and typically resolve within a few days as your dog’s system adjusts to the supplement. If the side effects persist, reduce the dosage or discontinue use and consult your vet.
When to Choose Dog-Specific Fish Oil Products
While human fish oil can work for dogs in many cases, there are situations where a dog-specific product might be better:
- If your dog is very small and needs precise, smaller doses
- If your dog refuses to eat food with fish oil squeezed on it (dog products often have pet-friendly flavors)
- If you want the convenience of appropriate pre-measured doses
Some quality dog fish oil products include:
- Nordic Naturals Omega-3 Pet
- Zesty Paws Pure Salmon Oil
- Grizzly Salmon Oil
Final Thoughts: Should You Give Your Dog Human Fish Oil?
So, can dogs take human fish oil? Yes, but with some important caveats.
If you’re going to give your dog human fish oil:
- Check the ingredients carefully – avoid products with unnecessary additives
- Use the poke and squeeze method rather than giving the whole capsule
- Start with a low dose and gradually increase to the appropriate amount
- Monitor your dog for any adverse reactions
- Consult with your vet, especially if your dog has existing health conditions
Remember that while sharing your fish oil might save money, your dog’s health is always the priority. If you’re unsure about anything, a conversation with your veterinarian is your best next step.
Have you tried giving your dog fish oil? We’d love to hear about your experiences in the comments!

Typical Canine Diets & Sources of Omega-3s
The food you feed to your dog, usually meat or processed food, is likely to contain animal fats, which are high in omega-6 fatty acids and can contain some omega-3s. However, keep in mind, that omega-3s are more expensive so their inclusion in your dog’s food is typically minimal. Polyunsaturated fats like fish oils, dried algae, marine microalgae, fish meals, or whole fish are rich in omega-3 fatty acids, which are considered essential fatty acids, so supplementing your dog’s diet may be worth it.
Fish Oil Dosage – How Much Is Right?
You should be aware that there is an upper limit on the amount of Omega 3 that’s good for your dog. You know what they say about too much of a good thing. To be on the safe side, let your vet know that you’d like to give your pet omega-3 supplements. That way, you’ll learn the recommended amount so you avoid overdosing, which can lead to vomiting and diarrhea, altered platelet function (which increases the potential for reduced blood clotting), delayed wound healing, weight gain, and altered immune function, among other issues.
This can’t be overstated enough, always consult your veterinarian before giving your dog any type of dietary supplement. Do not rely on fish oil dog dosage charts or general suggestions you read in an article, your dog’s health is worth taking the time to ask the opinion of a medical expert who knows your dog personally and any vital health considerations.
Don’t give your Pets Fish Oil UNLESS you are doing these 5 Things
FAQ
Can I give my Dog a fish oil supplement?
Fish oil supplements are common for both humans and dogs. The question is, can you give your dog an omega-3 or fish oil supplement made for humans? While fish oil and omega-3 are safe and beneficial for dogs, it’s best to avoid giving your dog a supplement designed for human consumption.
What is fish oil for dogs?
Fish oil is an extract from fish, most commonly salmon, anchovies, sardines, mackerel, or herring. Oils from these fish are used to make fish oil for both humans and dogs because they contain beneficial components called omega-3 fatty acids. Fish oil for dogs and humans most commonly comes in liquid oil or a soft gel capsule.
Can dogs eat fish oil & omega-3?
Health benefits of fish oil and omega-3 for dogs include: Better joint health: Omega-3 fatty acids work alongside omega-6 fatty acids (which your dog gets in abundance from their normal dog food) to balance the body’s inflammatory response. That’s why these fatty acids are so good for your dog’s joint health.
Can I give my dog fish oil over the counter?
Can I give my dog over the counter fish oil? Yes. But you might be better off with the poke and squeeze method. Two very good reasons not to give your dog a fish oil capsule to swallow: Some Capsules are made with Chemicals that test ‘unsafe for animals.’ Let’s review both in detail and then you can make an informed decision. It’s Gelatin Right?
Is fish oil bad for dogs?
So fish oil could be harming your dog with these poisons. Fish skin accumulates toxins. Your dog may love crunchy fish skin treats, but it’s best to avoid them. Fish these days are polluted with dangerous heavy metals … like arsenic, lead, mercury and cadmium. These toxins may be in your fish oil, and they can cause … Other toxins in fish include …
Are krill fish oil capsules safe for dogs?
These high quality softgels offer the same amount of omega-3 in a smaller amount because the quality is infinitely better. Therefore, these capsules are a lot smaller and very easy to swallow. Plus, their krill fish oil capsule is made out of gelatin, glycerin and purified water, which is safe for humans and your dog.
How much human fish oil can I give my dog?
The recommended dose for fish oil is 20mg of EPA per pound of body weight per day. Therefore, for a 50 lbs dog, you can administer 1000mg daily.
What is the difference between human and dog fish oil?
While both human and dog fish oils contain omega-3 fatty acids, it’s generally best to use pet-specific fish oil because human products may contain harmful additives like xylitol, lack appropriate omega-3 concentration, or contain other ingredients, like high levels of Vitamin D, that can be toxic to dogs. Always consult your veterinarian before giving your dog fish oil and ensure the product is a high-quality supplement specifically formulated for dogs.