Provided are food products comprising at least 0.5 g of trans fatty acid per serving and one or more water-insoluble cellulose derivatives in an amount sufficient to reduce absorption of the trans fatty acid by a mammal consuming the food product, methods of ameliorating the harmful effects of trans fatty acids on a mammal that has consumed trans fatty acids, and methods of reducing the amount of trans fatty acids capable of being absorbed by a mammal ingesting a trans fatty acid containing food product.