Omega-3 in Plant-Based Dog Food: Why ALA Is Not the Same as EPA and DHA

By GoGrowth SEO · October 09, 2026
Saluki dog with a long glossy coat in soft natural light

Short answer: plant-based dog foods usually get their omega-3 from flaxseed and plant oils, which supply ALA. Dogs convert only a small share of ALA into EPA and DHA, the long-chain omega-3s linked to skin, coat, joint, eye and brain health. A complete food covers essential fatty acid needs, but if your dog has skin issues, is older, or your vet wants extra EPA and DHA, an algae oil supplement is the plant-based option to discuss.

Omega-3 claims appear on many bags, and not all of them mean the same thing. This is a topic where it pays to be precise, especially if you feed a plant-based diet.

Three omega-3s, three different jobs

  • ALA (alpha-linolenic acid) is the short-chain omega-3 found in flaxseed, chia, rapeseed (canola) oil and some other plants.
  • EPA (eicosapentaenoic acid) is a long-chain omega-3 involved in regulating inflammation, which is why it is often discussed for skin and joints.
  • DHA (docosahexaenoic acid) is a long-chain omega-3 concentrated in the brain and retina, and especially important during growth.

Fish oil is the traditional source of EPA and DHA in pet food. But fish do not make these fats themselves. They accumulate them from algae in the food chain. That is why algae oil is a direct, animal-free source of EPA and DHA.

The conversion gap

Dogs can turn some ALA into EPA, and less again into DHA, but the pathway is slow and inefficient. In practical terms, a food that relies on flaxseed alone provides plenty of ALA but only a modest amount of usable long-chain omega-3. That does not make it inadequate, but it does mean the word "omega-3" on a label is not the whole story.

What complete and balanced covers, and what it does not

AAFCO's adult maintenance nutrient profile sets requirements for essential fatty acids such as linoleic acid (an omega-6), but it does not set a separate minimum for EPA and DHA in adult dogs. The growth profile for puppies does include an EPA and DHA requirement. So an adult food can be fully complete and balanced while getting its omega-3 mainly as ALA.

Being transparent about our own food: V-Planet's fats come from rapeseed oil and ground flaxseed, which provide omega-6 and ALA omega-3. It does not list algae oil. You can check the full ingredient list on our V-Planet ingredients page. V-Planet is formulated to meet AAFCO standards for adult dogs, and for most healthy adults that is the baseline that matters.

When extra EPA and DHA may be worth discussing

Vets sometimes recommend additional long-chain omega-3s for particular situations. These are good reasons to raise the topic at your next appointment:

  • Dry, flaky skin, a dull coat or ongoing itchiness
  • Older dogs with stiffness or reduced mobility
  • Dogs with diagnosed skin or joint conditions
  • Puppies, where DHA supports brain and eye development

If your vet suggests a supplement and you want to keep the diet plant-based, ask about an algae oil product made for dogs. Your vet can advise on the dose, because more is not always better: high doses of fish or algae oil can cause loose stools and may affect blood clotting in some dogs.

How to read omega-3 claims on any bag

  1. Find every fat source in the ingredient list.
  2. Flaxseed, chia, rapeseed or canola oil mean ALA.
  3. Fish oil, krill oil or algae oil mean EPA and DHA.
  4. If the analysis lists "omega-3" as one total figure, it may be mostly ALA.
  5. Look for EPA and DHA listed separately if long-chain omega-3 matters for your dog.

Our guide to reading dog food labels in the UAE covers the rest of the panel.

Omega-3 is only one part of skin and coat health

It is easy to put every coat problem down to fatty acids, but itchiness and poor coat condition have many possible causes: food allergies, environmental allergies, parasites, low humidity indoors from constant air conditioning, over-bathing and hormonal conditions among them. If your dog's skin is bothering them, a vet check comes before any supplement. For the bigger picture on diet and coat, read our article on dog food for skin and coat health in the UAE.

The bottom line

ALA and long-chain omega-3s are not interchangeable. A complete plant-based food like V-Planet meets adult essential fatty acid requirements through ALA and omega-6 from plant oils. If your dog has skin, coat or joint concerns, or your vet wants to boost EPA and DHA, algae oil is the plant-based way to do it, and your vet is the right person to set the dose.

Frequently asked questions

Can dogs get EPA and DHA from flaxseed?

Only a small amount. Dogs convert ALA from flaxseed into EPA and DHA inefficiently, so flaxseed is not a reliable way to raise long-chain omega-3 levels.

Is algae oil safe for dogs?

Algae oil is a recognised plant source of EPA and DHA. Ask your vet before starting any supplement so they can recommend a suitable product and dose for your dog.

Does V-Planet contain omega-3?

Yes, as ALA from ground flaxseed and rapeseed oil, which also supply omega-6. It does not list algae oil, so it is not a direct source of EPA and DHA.

Do all dogs need an omega-3 supplement?

No. Healthy adult dogs on a complete and balanced food often do not need one. Vets may suggest it for skin, coat or joint concerns, older dogs or puppies.

Can too much omega-3 be harmful?

High doses can cause loose stools and may affect blood clotting in some dogs. Follow your vet's advice on the amount.

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