Toxins found in the oxidised and rancid fish oil supplements

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    Gavin S.

    Fish oil caps. Fish oil caps by Stephen Cummings, on Flickr; license: CC-BY

    Scientific report: Fish oil supplements in New Zealand are highly oxidised and do not meet label content of n-3 PUFA

    That report came out of Auckland University, New Zealand, in conjunction with Australian collaboration.

    Scary quantity of unintended toxins found in the oxidised and rancid oil. Three out of 32 brands contained quantities of omega-3 fatty acids at or near the levels stated on the label, and in 92% of them the fats were going off.

    And you cannot tell the oil is “off’ as it is contained in those digestible capsules so you cannot taste the oil as it is well into your gut before the oil is exposed to your digestive system. Fish oil / Krill oil Omega 3 oil supplements may be more harmful than beneficial, Eat fresh oily fish instead.

    Photo credit: Stephen Cummings / CC BY


    The study didn’t tell us which brands were deceiving us and which were the few we could consider buying.


    Better off eating oily fish like mackerel and sardines.

    Not just the TGA, but consumer law in general needs to be strengthened, policed, and have meaningful penalties. The TGA is currently a joke.


    New idea: just eat real food maybe? The information contained in this study is not new, and the largest meta-analysis (that’s a study of many studies) on supplementation in general found that those who regularly supplement live five years LESS than those who don’t.

    It is consistently being proven that just eating real food – not manufactured, not processed, not made and sold for profit – is the absolute best way to maintain health. And you know what’s even better? You don’t even need to worry about dieting! Just eat food you want to eat that satisfies the above and your health and wellness will skyrocket.

    You shouldn’t need a study to tell you profit-driven companies don’t actually have your health in mind…

    Kate N.

    Choose hemp oil instead. A sustainable product with the perfect balance of Omega 3s and 6s.

    Hemp oil is obtained by pressing hemp seeds. Cold pressed, unrefined hemp oil is dark to clear light green in color, with a nutty flavour. It should not be confused with hash oil, a THC containing oil made from the cannabis flower, hailed by some for its medicinal qualities.

    The oil is of high nutritional value because of its 3:1 ratio of omega-6 to omega-3 essential fatty acids, which matches the balance required by the human body. It has also received attention in recent years as a possible feedstock for the large-scale production of biodiesel. There are a number of organizations that promote the production and use of hempseed oil.

    Pity our backward government means Australia and New Zealand are the only 2 countries in the world which have yet to approve hemp for humans. Even though we humans have been eating hemp seed and oil for millennium.

    Source: Wikipedia.

    Marco V.

    It’s ironic how the most diseased humans are those who depend on meat and animal products, but are always looking for a quick ‘health’ fix. If only people became more educated about their health, and were concerned for the environment by adopting a vegan diet, none of this would be news. Hospitals are full of meat eaters, not vegans who get all their omega 3 and 6 naturally.


    I read the article, but there is no brands. It sucks!


    This fish oil scam is very flagrant.

    Dani A.

    I am most interested to see whether the product I was taking was one of the bad ones, but this article does not note them. As a consumer, knowing that most products are rubbish is helpful but not nearly helpful enough.


    I quit taking fish oil because of the high price and environmental/sustainability concerns. Whether what I currently take (Manitoba Harvest Hemp Oil) is actually a good alternative, I don’t know. I’d certainly like to see a study/test done on how it compares to fish/krill oil.

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