This could be a bit technical, possibly only answerable by the medically trained ..... from blood tests we know that my husband has a "partial delta-6-desaturase enzyme block". This results in his linoleic acid being high. He has been told to take zinc supplements "to help with this".
I did the usual self-help Google search of the "partial delta-6-desaturase enzyme block" and came upon this link: http://www.level1diet.com/fish-vs-flax-oil.html
which discusses flax v fish oil. To quote:
"Furthermore, the D6D enzyme is very fragile. It is often blocked by other things people are eating or doing. Alcohol from wine and beer or whisky blocks it. Smoking and chewing tobacco products block it.
Eating lots of omega-6 polyunstaturated or saturated fats block it or use it up quickly. Stress blocks it. A long list of activities and dietary products will block D6D, even if people do make it and are not completely "deficient". If it is blocked this way, then these people are essentially deficient as far as its ability to convert flax oil into GLA or EPA nutrients."
The way I read it, my husband is unable therefore to absorb any benefits from flaxseed oil and should be staying with fish oil.
Is anyone able to shed any light on this?