There’s a reason why the Institute of Medicine recommends that our trans fat intake be “as low as possible.” 89 Many cheap, packaged foods contain trans fat, such as microwavable popcorn, yogurt, and peanut butter. So do frozen foods such as pizza, packaged pastries, cakes, and the like, and fried foods are often cooked in trans fat. Any food that contains hydrogenated oil or partially hydrogenated oil contains trans fats.
