Require mandatory labeling of foods and other products containing ingredients from animal sources

There are 7.3 million vegetarians in the U.S., 1 million vegans, and over 22.8 million Americans following a largely vegetarian-inclined diet. In addition, more and more people are concerned about the products in their food, and many are unaware of the strange ingredients they contain, such as crushed insects for coloring, or synthetic flavors derived from beaver anal glands. It is difficult or often impossible to know if ingredients come from an animal source or not, making it difficult for ethics based vegans and vegetarians to live their values. Even many non-vegans find many of these hidden animal ingredients disturbing. A label should be added similar to that of allergen labels that lists any animal derived ingredients, or else state that the product contains no animal ingredients.