<i>I’m also on flax seed oil, nature’s highest source of Omega 3’s which are vital for brain function.</i><p>My understanding is that flax seed oil contains omega-3s in a form that's not immediately usable by the body (linolenic acid), and the conversion process is inefficient. Check out this post from the excellent Heart Scan Blog:<p><a href="http://heartscanblog.blogspot.com/2008/03/omega-3-must-be-from-fish-oil.html" rel="nofollow">http://heartscanblog.blogspot.com/2008/03/omega-3-must-be-fr...</a><p>He's talking mostly in terms of heart health, and notes that flax oil may have other anti-inflammatory benefits, but it seems that if your goal is getting the most omega-3s for your buck, fish oil is a better source.