Blue Bonnet was once a locally made margarine, and in the 1940s ... which is why Parkay appears to have no trans fats. Even minuscule amounts of trans fat can add up, leading to unhealthy ...

Trans fats increase cholesterol and the risk ... campaign was a hit starting in the 1970s. A tub of the margarine would say “Parkay” every time someone said “butter.”¢ ...

Following the FDA ban on trans fats, margarine may be a healthier option than butter for most people. However, the health effects of saturated fat in butter are still debated, and the healthy ...