which one is good to take? there are many different types and i also read that a krill oil is also good. here are some varieties from jarrow that seemed relevant:

http://www.jarrow.com/product/375/EPA-DHA_Balance

http://www.jarrow.com/product/139/Krill_Oil

http://www.jarrow.com/product/574/PhosphOmega

obviously other companies have others including a 3/6/9 balanced. please advise.