Blue Ice - Cod Liver Oil

In Green Pasture, we follow the traditional method to ferment the cod livers to extract oils. It means we ferment the cod livers to extract oils, not fermenting the oil directly. It is a historic and gentle way to extract oils without heating and industrial processing. You can find more details here:


You can also find informations regarding our processing and testing here:


We have real scientists, who are from universities and science organizations reviewed and evaluated the testing results along with the website articles and they have different views from bloggers. You can find these scientists’ review on our website (, and I also attach some useful articles here for your information.


Scientific Analysis of Dr. Jacob Friest


Scientific Analysis of Oxidation Test Reports by Dr. Subramaniam Sathivel


Scientific Analysis. Small amounts of trans fatty acids are naturally occurring in fish, including cod liver oil.


Scientists all around the world is also helping us to better understand our special fermented cod liver oil. The results show the high amount of antioxidants present in our oil, most of them may be polyphenols. These compounds help protect the oil from oxidation from oxygen and also help to prolong the shelf life of our oil. You can find details from these links:


Polyphenols and Pigments in Fish Oil


Polyphenols: Oxidative Stabilization of Fermented Cod Liver Oil and Fermented Skate Liver Oil


Fermented Cod Liver Oil Has Superior Protection From Free Radicals



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