Maybe he hasn't realized it acts as estrogen in a man's body. This is some relatively new perspective. Many still incorrectly think "weak" phytoestrogens somehow block "strong" estrogens from doing their dirty work, due to competitive antagonism. This is like thinking that adding some weak poison to a glass of strong poison makes the contents less poisonous. The fact of the matter is that phytoestrogens just add to the total estrogen load.
The ALA is of some benefit--but not too much, as it has been shown to increase prostate CA risk.
There is some new evidence that GLA actually activates estrogen receptors. There was a lecture on this at the past A4M convention.
Despite flax being "the greatest source of omega-3 fatty acids found in nature", the dirty little secret is you can drink flax oil all day, and won't elevate DHA or EPA.
I'm sure there are also proprietary interests involved.
