[Rockingham]

As is commonly recommended, when taking fish oil supplements, they should be coupled with supplements of Vitamin D3 and natural source, mixed isomer E. This provides antioxidant and anticancer protection.

[who_would_fardels_bear]

Nowhere in the article do they say that it is the omega-3 in the fish oil that causes the cancer.

Could there be some other component of fish oil, such as high levels of mercury, that could be the culprit?

Omega-3 supplements, free of all of the other components of fish oil, might be perfectly OK taken at any level.

This article certainly doesn't make anything clear.