Could you post sources? I feel this is especially wanted for free dietary advice on the internet. Not saying that you're wrong, I simply don't know, but just a quick search on 'bioavailability of n-3 fatty acids' show a lot of research which goes various ways and not necessarily confirming what you say here.
This probably covers it, not sure if the original papers are mentioned in here but I haven't heard of these guys misleading people: https://www.youtube.com/watch?v=XcvhERcZpWw