I believe when you heat the oil to 374°, it kills vitamins but also Omega 3. It's the oxidation, that's why Omega 3 is sold in pill or you get something like 3

I believe when you heat the oil to 374°, it kills vitamins but also Omega 3. It's the oxidation, that's why Omega 3 is sold in pill or you get something like 3 month to end your bottle of cod liver oil. I didn't notice the color as distracting, the oil actually change color when heated up. Look if you are interested in your health, there are plenty reputable source of information on cod liver oil. For instance https://www.sciencedirect.com/science/article/abs/pii/S0045653519309774 https://www.sciencedirect.com/science/article/abs/pii/S00456... > The results indicate that although currently produced fish oils may undergo rigorous purification procedures and show low contaminant levels, cod livers sourced from the Baltic and consumed locally, continue to contribute substantially to the dietary intake of these contaminants.