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Mar 15

Flax seed oil for dogs and cats

Although plant-based products are usually sources of omega-6 fatty acids, there are vegetarian foods that contain omega-3 fatty acids as well. We’re talking about walnuts, flaxseed oil and olive oil.

Flaxseed oil is a good source of omega-3 fatty acids for humans, however not so much for dogs and cats. The thing is, flaxseed oil contains only a precursor omega-3 fatty acid, alpha-linolenic acid (ALA). ALA is used by human body to produce EPA and DHA (eicosapentaenoic acid and docosahexaenoic acid), which are the actual essential omega-3 fatty acid that we need from this. Dogs’ or cats’ bodies do not have an ability to transform ALA to EPA or DHA, so will hardly benefit from taking flaxseed oil the way humans would. So in this sense, dogs and cats are strict carnivores and flaxseed oil or walnuts are not suitable fatty acid food supplements for dogs and cats.

Considering that dogs can not transform ALA into the necessary EPA or DHA, we need to keep in mind that flaxseed oil is more rich in omega-6 fatty acids then in omega-3 fatty acids. As a result, it can not be used as an omega-3 fatty acid supplement, because omega 3 needs to be given to the dogs only as much as it has to balance out the omega-6 in the diet. So the whole purpose of fatty acid supplementation is undermined with vegetable oils. Same goes for olive oil as dog food supplement.

Do you give this to your dog?

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2 comments

1 ping

  1. Lillian Peterson

    Hello,

    Dogs can convert ALA to lcPUFA (more effectively to EPA than to DHA, but typically DHA is under tight control and conversion may only occur if DHA levels are deficient).
    Cats on the other hand lack an enzyme and cannot.

    Bauer JE, Dunbar BL, Bigley KE. Dietary flaxseed in dogs results in differential transport and metabolism of (n-3) polyunsaturated fatty acids. J Nutr 1998;128:2641S-2644S.

    1. admin

      Lillian,

      thanks a lot for your comment! I will correct the article accordingly, really appreciate your input on the issue!

  1. Recetnt comments overview: olive oil and dog's pancreas, flaseed works.

    [...] the post on flax seed oil Lillian Peterson writes that dogs actually can process alpha-linolenic acid and [...]

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