• animal
  • Rather than switch from one form of fat to another (as occurred when people replaced saturated animal fat with hydrogenated, and often trans-laden, vegetable oil), I advise dialing back on the fat altogether, eating more fruits and vegetables, avoiding processed foods, and all that other granola kinda stuff, which is looking smarter all the time. (straightdope.com)
  • restaurant
  • Even used restaurant frying oil, which will have been heated near its smoke point off-and-on for several days before it's thrown out, will not have a significant amount of trans fat in it. (rationalwiki.org)