While trans fat does occur naturally in some meat and dairy products, many processed foods, such as crackers, coffee creamer and margarine, contain artificial trans fats. Artificial trans fats are created in partially hydrogenated oils (PHO)s, which are oils that have been infused with hydrogen. This process keeps the oils solid at room temperature, and is used to maintain flavor and increase the shelf life of processed foods. Intake of trans fat has been shown to cause various health problems, including high cholesterol and coronary heart disease.
The action is estimated to cost about $6 billion to implement, but is expected to save would save about $140 billion over 20 years in health care and other associated costs.