“The refined form, which is most widely used, goes through quite a bit of processing to get to its end product,” says registered dietitian Kristin Gillespie, M.S., R.D., LDN. She adds that refined oil is often used in cooking due to its high smoke point, but it’s also found in almost 50% of processed foods, like pizza, peanut butter, chocolate, coffee creamers, and margarine, and many personal care products, where it acts as a stabilizer.
