I'm no expert, but as I understand it, vitamin E is put in fish oil as a preservative. Not much is added. So I'd guess it doesn't matter.
http://www.webmd.com/vitamins-suppl...ngredientid=993&activeingredientname=fish oil
what's the aim of giving fish oil?
http://www.webmd.com/vitamins-suppl...ngredientid=993&activeingredientname=fish oil
what's the aim of giving fish oil?