The Mr. showed me this article in The Huffington Post a couple of weeks ago. If you can get over the annoying commentator, it’s pretty interesting stuff. It shows what happens when you eat Top Ramen, Gatorade, and Gummy Bears versus Homemade Noodles. If you are squeamish about bodily juices and stuff, don’t watch it. 😉
Bottom line: Food coloring basically has no federal regulations, and processed food is digested completely differently in your body than whole foods.