Vegans and vegetarians can be strict about what they eat and navigating the grocery aisles can be tricky. Some of our beloved foods may have a hidden secret… animal products. Manufactures add them to enhance the flavors of their products, but are not vegan and vegetarian friendly. The List’s Teresa Strasser and Dee McCaffery, CDC, author of The Science of Skinny, breakdown the foods that are guilty of not being vegetarian... now on The List.