Originally Posted by Dr. Eades in PPLP

According to Mary Enig, approximately 70 percent of the soybean oil consumed in this country has been partially hydrogenated. That means that if you see soybean oil as an ingredient in a product you're eating, the odds are that it's been hydrogenated. The hydrogenation process converts soybean oil from having no unnatural fats to a substance containing over 53% chemically altered fats. We always keep a sharp eye out for any products containing soybean oil and avoid them; we recommend that you do the same.