Trans fats are found in partially hydrogenated and hydrogenated oils – often used in margarine, as well as pastries, processed, and deep-fried foods.
Because these oils can be synthetically produced, they are cheap and help increase the shelf-life of the processed foods you see in the supermarket.
One study in pregnant women suggested that when dietary fat was kept at 30% of total calories, 90% of trans fat intake came from bakery items, while 10% came from table spreads such as margarine (11). If you reduce (preferably eliminate) processed foods, pastries, donuts and the like, you can significantly reduce your intake of these harmful fats.
I support the principle of “out of sight, out of mind”, if I don’t go past the items […]