Perhaps a bit but...: Krill oil and cod liver oil are both excellent sources of essential Omega 3 fatty acids EPA and DHA. The main thing krill oil has that cod liver oil does not is Astaxanthin, a powerful antioxidant with many proven benefits (see http://products.mercola.com/astaxanthin/). But krill oil costs much more so you could take cod liver oil and supplement with astaxanthin. See my comment:
Answered 2/26/2016
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