MORE: The Real Truth about the FDA’s Attack on Kind Bars So how are food companies getting away with this? It’s all thanks to a legal loophole set up way back in the 1950s that allows companies to fast-track approval of certain ingredients—even ones that may cause life-threatening allergic reactions. This video from the Center for Public Integrity explains it all, including the fact that companies have added at least 1,000 ingredients to the food supply without ever telling the FDA. Get ready: Your blood is about to boil.