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GeoffreyLevens wrote:There is the potential issue of conversion (or the lack of it) from the ALA in flax to the EPA/DHA in fish oil that which is actually what the body uses in its functioning. BUT you can blood test (expensive but available) to find out if you are getting enough from what you are doing AND if you are concerned and don't want to test (or if you do test and are deficient) you can take algae sourced EPA and/or DHA. That is after all where the sardines get theirs, from algae. No mercury poisoning in tank grown algae...
You would get about half the omega threes as in two tbs flaxseed and about twice the calories.