Udo's choice is a little expensive for me. I use Health From The Sun Omega 3 Flax oil. It is a good source of omega's 3, 6, and 9 and is only $17.70 for 48 ounces at dpsnutrition. Tastes pretty good too.
Yup...go with Udo,s.Oh,and Hog...anything can turn into bodyfat if you are taking in more calories than you are expending,however,EFA's are less likely to be used for bodyfat storage because they are used first for many other functions in the body.