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Healthy Home Economist / Archives / Healthy Fats / 3 Reasons Why Flax Oil is NOT the Best Source of Omega-3 Fats

3 Reasons Why Flax Oil is NOT the Best Source of Omega-3 Fats

by Sarah Pope / Affiliate Links ✔

Table of Contents[Hide][Show]
  • Flax Oil Does Not Contain Fat-Soluble Vitamins
  • The Omega 3 Fats in Flax Oil Must Be Converted
  • Natural Cholesterol is NOT Bad for You!+−
    • Sources

flax oil

Last week, someone left a comment on my Cod Liver Oil 101 video which said,  “Flax oil is better for you – cod liver oil can raise your cholesterol level!”

This comment disturbed me as it is this kind of thinking that is stealing people’s health!

First, let me say that I am not against flax oil.  Flax oil is a wonderfully healthy oil that is extremely high in omega 3 fats.   The Scandinavian traditional diet even lauds flax oil as a health food.

Use of flax oil in small amounts in homemade salad dressings is a wonderful way to facilitate the proper omega 3/omega 6 fatty acid balance in your diet –  a balance that should be in the 1:1 – 1:4 range, not the 1:20 – 1:50 range of most Americans! Using walnut oil accomplishes a similar goal.

Getting this fatty acid balance in the correct range is critical to keeping inflammation at low levels in the body. Overconsumption of omega-6 fats as is typical in the grain-heavy Western diet rapidly causes inflammation with a sometimes unpredictable mix of symptoms based on one’s genetic predisposition.

Flax oil has historically had problems with rancidity as it is such a delicate oil that should always be kept refrigerated and never, ever heated.

Modern refrigeration during shipping has eliminated much of the rancidity problems, nonetheless, care must be taken to consume flax oil only in small amounts.  Overconsumption of polyunsaturated oils even if primarily omega 3 can lead to inflammation just the same as an imbalance in the ratio between omega 3/omega 6 fats that are consumed in the diet.

Despite the fact that flax oil contains a healthy form of omega-3 fats, it is still not a good substitute for cod liver oil and here’s why:

Flax Oil Does Not Contain Fat-Soluble Vitamins

Cod liver oil, particularly the fermented kind, contains an ample amount of the fat-soluble vitamins A and D and even some K2 known as Activator X when sourced from fermented fish livers. Traditional cultures studied by Dr. Weston A. Price consumed these fat-soluble activators at a rate 10 times greater than Americans living in the 1920s and 1930s!

A daily dose of cod liver oil is an important insurance policy for maintaining health as these fat-soluble vitamins supercharge mineral absorption in the diet and work synergistically to maintain immune function at a high level. Note the while krill oil contains beneficial omega-3 fats, it is not an adequate substitute.

Similarly, flax oil contains no fat-soluble vitamins A, D, and K although for a different reason – because it is derived from plant food.

While some plant foods contain vitamin K1, vitamins A and D are not found in any plant foods and must be obtained from animal foods. Is beta carotene vitamin A too?  No, it is not as is frequently and erroneously claimed.

The Omega 3 Fats in Flax Oil Must Be Converted

The omega 3 fats in cod liver oil are primarily in the form of DHA and EPA which are in a readily usable form for the brain and neurological system.

The omega 3 fats in flax oil are in the form of alpha-linolenic acid (ALA), which must be converted by the body into EPA and DHA.  If you have any digestive imbalance issues, which most Westerners do to some degree, the conversion of ALA into the critical EPA and DHA is unknown and more than likely insufficient to maintain health.

Therefore, it is risky to take flax oil and assume that the conversion of ALA into EPA and DHA is sufficient for your body’s needs. It is better to consume a high-quality cod liver oil to obtain EPA and DHA directly with no guesswork and finger crossing involved.

Natural Cholesterol is NOT Bad for You!

The comment regarding cod liver oil raising cholesterol levels is particularly concerning to me.

The natural cholesterol in animal fats like cod liver oil is very important for tissue repair and brain function which explains why cholesterol levels rise slowly as we age. It is important to note that women with the highest cholesterol live the longest! This is probably because natural cholesterol provides the precursors necessary for the production of natural steroids in the body that protects against heart disease and cancer.

So, what cholesterol is bad for us?

It is the oxidized or rancid cholesterol found in processed foods that should be avoided. Consuming oxidized cholesterol raises the risk of inflammatory conditions like heart disease, cancer, and diabetes.

This is why the cholesterol in raw milk is healthy but the oxidized cholesterol in pasteurized skim milk is bad for you (added in the form of highly processed milk powder which adds body)

If grasping the difference between good cholesterol and bad cholesterol in your diet seems difficult at first, consider that coronary heart disease prior to 1920 was extremely rare in America, but during that same period, Americans consumed butter and cream with abandon!

It is only since the rise of processed foods and factory fats that gained momentum after World War II that heart disease, cancer, and diabetes rates began to skyrocket.

Therefore, enjoy a bit of flax oil added to each cup or so of homemade salad dressing, but never consider it an adequate substitute for your high vitamin cod liver oil!

 

Sources

Nourishing Traditions Cookbook
Precious Yet Perilous

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Category: Healthy Fats
Sarah Pope

Sarah Pope MGA has been a Health and Nutrition Educator since 2002. She is a summa cum laude graduate in Economics from Furman University and holds a Master’s degree from the University of Pennsylvania.

She is the author of three books: Amazon #1 bestseller Get Your Fats Straight, Traditional Remedies for Modern Families, and Living Green in an Artificial World.

Her four eBooks Good Diet…Bad Diet, Real Food Fermentation, Ketonomics, and Ancestrally Inspired Dairy-Free Recipes are available for complimentary download via Healthy Home Plus.

Her mission is dedicated to helping families effectively incorporate the principles of ancestral diets within the modern household. She is a sought after lecturer around the world for conferences, summits, and podcasts.

Sarah was awarded Activist of the Year in 2010 at the International Wise Traditions Conference, subsequently serving on the Board of Directors of the nutrition nonprofit the Weston A. Price Foundation for seven years.

Her work has been covered by numerous independent and major media including USA Today, ABC, and NBC among many others.

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Reader Interactions

Comments (132)

  1. Catherine Garbus via Facebook

    Nov 17, 2012 at 11:20 am

    http://raypeat.com/articles/articles/unsaturated-oils.shtml

    Reply
  2. Jenna Darby Laughter via Facebook

    Nov 17, 2012 at 11:17 am

    What’s your take on chia? High in Omega 3’s and protein, no estrogenic effects like flax…

    Reply
  3. Chrystina Swain via Facebook

    Nov 17, 2012 at 11:12 am

    Thank you! Making the switch now.

    Reply
  4. Jessica Tebben via Facebook

    Nov 17, 2012 at 11:08 am

    Flax is also contraindicated during pregnancy. It can cause preterm labor.

    Reply
  5. Hilary

    Sep 23, 2012 at 12:43 am

    To offer the other side of the argument — the German biologist Johanna Budwig developed a protocol to treat cancer based on flax oil and flax seed in the mid 20th century and had a lot of success with even late stage cancer. Look up the “Budwig cream”. Studies on rodents show the lignans in flaxseed stop and sometimes reverse cancer. I’m sorry to hear flax receiving such bad press.

    Reply
  6. Alicia

    Mar 27, 2012 at 9:57 pm

    There was a facebook post today from Raising Natural Kids, on the benefits and uses for flax. It suggests adding it to baked goods and cooked things like meatloaf, or on top of oatmeal, along with adding it to cold items like yogurt.
    Does the “no heat” part mean even topping on hot/warm foods, and does it extend to all forms of flax like meal?

    Reply
  7. Raj

    May 1, 2011 at 10:35 pm

    Hi Sarah, I truly appreciate your wealth of information on health issues and am grateful you choose to share it with the rest of us. Although this is a post on cod liver oil, I was wondering if you have any recommendations for a multivitamin for children. My sons are 3 years and 11 months old, and the current one I have uses a soy derivative which concerns me. I appreciate any information you have. Thanks again for all the posts…keep them coming!!!

    Reply
    • Sarah, The Healthy Home Economist

      May 1, 2011 at 10:53 pm

      Hi Raj, multivitamins are not useful for those of us pursuing a traditional diet as they are typically loaded with synthetic vitamins and undesirable fillers as you have discovered. Give your children whole food supplements like good quality cod liver oil, butter oil and perhaps a whole foods based vitamin C and feed them nutrient dense, homemade meals and that is the best approach in my opinion.

    • Raj

      May 9, 2011 at 3:05 am

      Thank you for your reply…it was very helpful. Thanks again.

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