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used to drink cod liver oil daily, then i learned how it's processed... I would advise just taking vitamin d pill and eating 2 to 3 times a week fat fish.

About cod liver oil manufacturing : https://www.rositausa.com/cdn/shop/articles/Rosita-Postcard-...

Everything is so polluted that either you're drinking oil that contains plastics and chemicals, or you're drinking an oil that has been completely destroyed and rebuilt using vitamin D, A and omega 3 from third party manufacturer.




What am I meant to be getting out of that link? I don't care about vitamin A/D and I don't see any point where they're adding third-party omega 3s back in.

It also seems pretty low-quality. "Our oil uses some mysterious process labelled 'oil released in 15 minutes' so it's good! Their process uses a grinder and a centrifuge, and look, we added bloodstains and made the centrifuge brown to show how bad that is!"


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/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.


Any particular types of fish or sources of that fish fat?


So for what it's worth here's my experience -- generally not super impressed with supplements, tried cod-liver oil, didn't notice much effect, but after starting to make homemade salmon sashimi from costco salmon (Yes it's a thing, youtube it), I started noticing reduced anxiety and better concentration on days when I did so.

I would eat about 2/3rds of a pound of raw salmon and notice this effect (which would be like $60 or more at a sushi restaurant). I've done this at least 20 times now and never had any issues.

Generally I don't mention the mental effects of the salmon to people because I feel like they wouldn't take it very seriously, but since you're asking and it's on-topic, I thought I'd share.


Mackerel, sardine.

I believe they are amongst the best source of Omega 3. Technically you could still eat cod liver but you would still eat big amount of pollutants because it's the liver.




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