It is not natural because it is a concentrated oil that has been converted to an ester; and then put through. I believe that a good review should be able to give the reader important information that will help her make an informed buying decision; for instance, a review on fish oil should tell the consumer the different types that exist and what makes one type better than the others. This type usually contain low amount of omega 3 because it is not concentrated; it also contains high amount of contaminants such as PCBs, dioxins, mercury and heavy metals. That is exactly what this article is going to do for you. There are so many fish oil reviews every where on the internet; unfortunately most of them are pure promotional stuffs. This exists in the form of a triglyceride; it is extracted by queezing' the fish in order to get the natural oil from it. There are basically three types of fish oil primarily determined by the process through which they are gotten/extracted; they are as follows.

Synthetic triglyceride fish oil This type is generally common; it is being promoted as natural, but the truth is that it is synthetic.