You want oils that convert to EPA/DHA. Those oils promote growth as it has been proven countless times. Lets not forget lyposis as well, let alone cardiovascular health

Walnut oil
Almond oil
Pecan oil
Macadamia nut oil
Olive oil
Fish oil is best as no conversion is needed.
avacado oil

To name a few
Flax oil is a
Poor choice as it doesn't make the conversion well at all.

that being said i use flax but saying its superior to Olive thats just not true