In the past, we were told that all the vitamins in the cereal were synthetic and not of animal origin. Since many of the ingredients often change and come from outside suppliers we're unable to provide the exact ingredients in our products. This information is proprietary. It's too bad that Post feels that in order to protect themselves, they have to say that none of their products are suitable for vegetarians. Consumers should understand that all companies, including natural foods companies, are in the same situation at Post.
Ingredients come from outside suppliers and often do change without prior warning.
Determining the exact sources of ingredients often gets very complicated. Though this is of concern to vegetarians, this type of list should be used to move forward, and not to discourage people from being vegetarian. We should all do the best we can. Most fruits and vegetables today are probably grown with an animal source fertilizer, including organic products. And insects will be killed, even if without pesticides.