"My own recommendation would be to take fish oil. Flax oil as well if you like, though I would stay away from it purely because of the overabundance of omega-6 in it."

Only 14% of the fat in flaxseed oil is LA. 58% of the fat in flaxseed oil is ALA. ALA is an essential fat.

http://www.barleans.com/literature/flax/29-flaxseed-best-source.html

Here is the nutritional composition of salmon oil.

http://www.nutritiondata.com/facts-C00001-01c20AC.html

Here is the composition of flaxseed oil.

http://www.nutritiondata.com/facts-C00001-01c21xq.html

Flaxseed oil has over 12 grams of omega 3 fats in a 200 calories serving. Salmon oil has 7.825 grams of omega 3 fats.
Notice that of all the fish oils, salmon oil has by far the highest pecentage of its fats being omega 3 fats.

http://www.nutritiondata.com/foods-000140000000000000000.html


Salmon oil is around 34% omega 3.