Sales of these supplements have shot up in recent years making the task of buying a good fish oil that little bit harder.

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Numerous look alike brands with fancy packaging can range in price vastly. Here's a couple of easy to follow pointers to check that you're getting a quality oil.

The two that this article will cover are purity and freshness, which are closely related. The purest fish oils have been through a process of distillation which removes most of the heavy…