It doesn't seem like NEFA is IN foods, it is created in the body from eating a disproportional amount of omega-6's:
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I've been telling you for years that if you consume too many omega-6 fats and not enough omega-3 fats, you can end up with all sorts of health problems. But now we know there's a more immediate problem with omega-6 fats: when they're converted to too much NEFA, it can result in a sudden heart attack!>>