Why All Fish Oils Aren’t Equal

You might be surprised to know that ‘oils ain’t oils’ when it comes to fish oil.

In fact, there’s a huge difference between the type of fish oil you can buy at the supermarket or bargain bin at the chemist, and the type of fish oil you can buy from a naturopath. Like many things in life, you get what you pay for.

At Mullen Health, we sell Metagenics’ MetaPure EPA/DHA Fish Oil, which I believe is the best quality fish oil on the market. What’s the difference?


There’s an easy way to test the purity of your fish oil. Next time you take a capsule, burst it in your mouth. If the oil tastes strongly of fish, it is likely to be rancid and more toxic than beneficial to you. Heavy metals like mercury, lead, cadmium and arsenic are all contaminants that can be found in fish oils. Metagenics removes these toxinsas well as pesticides and pollutants from its oils, so you get the highest quality oil without the risk of toxicity.


To be sure fish oil is free from the majority of contaminants, it has to undergo an extensive and often expensive filtration process. Many cheaper brands skip this step in order to keep their costs down, but this comes at the cost of your health. The added benefit of this extensive filtration process is that you also get a much higher concentration of the active ingredients in the end product. For example:

  • 1 Teaspoon of Metagenics oil is equivalent to nine capsules of Blackmores fish oil
  • 1 Capsule of Metagenics oil is equivalent to almost 3 capsules of Blackmores fish oil

1g of our fish oil contains 500mg of EPA and 200mg of DHA, while Blackmores’ fish oil contains 180mg of EPA and 120mg of DHA. That means that each dose of our fish oil contains almost three times the amount of EPA and almost twice the amount of DHA of Blackmores’ – so you won’t have to take as many!


The aftertaste of some fish oils can be very unpleasant – and in fact it usually means they are rancid and toxic. Metagenics fish oil liquids and capsules have minimal aftertaste thanks to nitrogen flushing, which prevents oxidation and that awful fishy taste.

Sustainable Sourcing

Metagenics supports sustainable fishing and marine conservation by only sourcing small fish species using sustainable fishing practices. Our oils are also certified by Friend of the Sea, an independent organisation that audits and certifies products that practise sustainable fishing and reduce their environmental impact.

So next time you go to pop a fish oil capsule, remember to do the taste test to  make sure it’s doing you good.

Yours in health,


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    Disclaimer – This website is designed to inform clients about ways to possibly improve their health. The opinions of the Mullen Natural Health Centre are our opinion only. Please consult your own healthcare provider to determine the best course of treatment for you.