Here is the brand I take now:

. EPA/DHA Omega 3

$52 for 180 capsules Pure Encapsulations EPA/DHA ultra-pure

https://www.amazon.com/gp/product/B001BA2MYA/ref=oh_aui_detailpage_o04_s01?ie=UTF8&psc=1

http://www.ncbi.nlm.nih.gov/pmc/articles/PMC3938028/

A study of 14724 individuals found 51% reduction in colorectal cancer with Omega-3 fatty acid consumption

It also seems to kill Multiple Myeloma cells and enhances Velcade

.Omega 3 fatty acids can not only improve learning and memory, they can also combat brain disorders ranging from depression to dementia.

” increasing proportions of total energy and fat obtained from fresh fish seems to protect against the development of leukemia, NHL, and myeloma. For all cancer types, the strongest reduction in risk was associated with increasing proportion of total fat obtained from fresh fish. This supports the hypothesis that dietary fats provided by fish are the key to the protective effect of fish intake against LH and other cancers. Aha!

The study ends as follows: In summary, in a very large case-control study, we have found a strong protective effect of fresh fish intake for leukemia, myeloma, and NHL which is consistent with previous literature.”