Cod Liver Oil

My Take on Fermented Cod Liver Oil

Fermented cod liver oil (FCLO) is rich in fat-soluble nutrients like Omega-3 (DHA/EPA), Vitamin A, and Vitamin D. These are nutrients that most of us lack, especially if we are older or have digestive issues. If you have ever been pregnant, you’ll prize this food even more because it can help you replenish that stash of fat-soluble nutrients that you gave to your growing baby. 

Where I live in New England, it’s often cold with limited amounts of sun-shine and so I keep fermented cod oil on hand for my family to take year-round. We do it as a daily practice and I get peace of mind knowing that everyone is getting enough Vitamin D. I also have the pleasure of getting a thumbs up from the dentist at my kid’s cleanings – not one cavity in either of my boys since we began taking FCLO.

FCLO Benefits

  • Eliminates toxins
  • Stops tooth decay
  • Balances blood sugar
  • Increases fertility
  • Improves digestion
  • Reduces risk of heart attack
  • Relieves joint stiffness
  • Repairs wounds
  • Anti-inflammatory
  • Relieves autoimmune diseases
  • Great for oil pulling!
  • Grows healthy babies with strong teeth and bones
  • Prevents brain issues like dementia, ADD, and autism
  • Calms nervous system
  • Balances hormones
  • Builds strong bones by promoting calcium absorption
  • Great for pregnant and breastfeeding moms when child’s brain is growing faster than ever

Most teeth, digestive, heart, joint, bone, and other health issues are connected to a deficiency in Omega-3 and Vitamin A/D. FCLO is rich in all of these fat-soluble vitamins. All in one bottle 🙂

How My family takes fermented cod liver oil (FCLO)

How it’s made does make a difference


Think you’re good with the cod oil you get at a health food store? Maybe, but if it’s not Green Pasture look closely at ingredients. Most modern cod oil is made with heat, solvents, bleaching, and deodorizing in order to extend the oil’s shelf life. None of which are good for the body.

These modern processes destroy the fat-soluble vitamins found in cod oil – the very ones you’re after. That means synthetic versions of A, D, and E must be added. No good. Because anytime you add in synthetics you need to start worrying about toxic build-up from fake vitamins. A whole food source like fermented cod liver oil is better recommended to supply natural forms A and D as it contains other nutritional co-factors that work in a synergistic way. There, got my geek on.

Green Pastures 

Green Pastures ™ makes fermented cod liver oil like your great grandma may have done. They don’t heat or process it in any way, so it’s a raw ‘living food’ that your body knows how to metabolize. This family-owned company tests each batch of FCLO for heavy metals and toxic contaminants. They also work with sustainable fishermen. The oil comes in a variety of flavors (i.e. cinnamon, orange, chocolate) and in capsule, liquid, or gel form. They also have kid-tested blends that come in caramel and carob-banana; balm for skin issues; and Royal Butter Blend if you are dealing with tooth or bone decay – which is the best choice if you need fast results.



Common FCLO Dosage for Adults & Kids

How My Family Takes Fermented Cod Liver Oil

Transcendental Meditation – Embarking My Mantra



Fallon, S. & Enig, M. Ph.D.  Nourishing Traditions. Washington, DC, NewTrends Publishing, Inc., 2001

Nagel, R.  Cure Tooth Decay.  Los Gatos, CA, Golden Child Publishing, 2011

Pitchford, P.  Healing with Whole Foods.  Berkeley, California, North Atlantic Books, 2002

The Healthy Home Economist (2011). Fish Eggs Superior Vitamin D Source. Retrieved at

Disclaimer: This content is for general information only; primarily educational in nature; and should not be treated as a substitute for medical advice of your doctor that you, the reader, may require for any cause whatsoever, now or in future. Consult  a medical doctor regarding any health problem and keep him fully informed to the opinions, ideas, and dietary advice offered on this site you find useful.

May all bellies be happy!

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4 comments to My Take on Fermented Cod Liver Oil

  • Tara

    Fermented cod liver oil is the traditional way to go. Basically, anytime a food is fermented, its nutrients increase 10-fold. To get geeky on you, the lacto-fermentation (method used to make FCLO) breaks down the vitamins (like A & D) into much smaller molecules that are easily absorbed in your digestive lining (mouth on through to intestines). So you get more for your buck and possibly need less of it cuz of its potency. It’s also a raw food so without the fermentation it wouldn’t be stable.

    Another way of looking at this is to take milk and ferment it into kefir. The casein (milk protein) and lactose (milk sugar) will be broken down/pre-digested in the fermentation process. So, someone who is sensitive to dairy may tolerate fermented dairy.

  • Christine Watts

    Why is fermented better than plain cod liver oil? If you could find a cod liver oil that wasn’t processed with solvents, etc. would it be as good as the fermented variety or is there something that fermenting it gives you that plain doesn’t?

  • Tara

    The main difference between flax oil and FCLO is that flax seeds don’t contain fat soluble vitamins. That’s your A, D, and K. No plant food does. Some plants have some vit. K in it but not vit. A and D. Which all work synergistic-ally in your body. Here’s a link that talks more about all this

    It’s by one of my fave bloggers. She’s evidence-based. Which comes in handy with stuff like this.

  • Christine

    I am vegetarian and so take flax seed oil, is this as healthy?

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