Refined Fish Oil
That should be a concern as capsules that have refined fish oil are considered inferior and better alternatives are around. It's often the case that inferior brands or the cheaper end of the market use such oils in the making of their capsules.
That's not to say that they are of no use at all, but when we're talking about our own health then the effectiveness of what we pop into our mouths should be of primary concern.
With the rapid growth in consumption of omega 3 supplements in recent years there were natural concerns among many consumers of the threat to the final product from pollutants found in many of our oceans.
Most are present in our waters as a result of industrial activity, a shameful human legacy. These include such heavy metals like mercury and such nasty chemical compounds like PCB's and dioxins.
Even those capsules that have refined fish oil will contain very tiny amounts of contaminants, but so small that it should not be a worry. To combat this threat and assure the public that there is a system of checking the different levels of all or most of these pollutants, at least four internationally set standards were established.
However, there is a higher quality available to manufacturers, known as ultra refined fish oil and as the name suggest it boasts of having even fewer pollutants, which is to be preferred.
You might be asking yourself at this point, how can I ensure that the omega 3 supplements I'm taking has the better quality oils.
Well, I've saved you much of the legwork. If you visit my main site you can share in my own personal research that explains in simple terms what to look out for and what to avoid. Don't put up with capsules that use refined fish oils, the alternatives are not as hard to find as you might think.
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Peter Foremski is an avid researcher into the benefits of taking fish oils. On his fish oils site he shares that information freely on how to find the most effective brands to keep you healthy, fitter and living a fuller life.