This is in most commercial breads besides a host of really bad chemicals that do a number on one’s body and mind.
Azodicarbonamide used in its bread “as a bleaching agent” is also used to make yoga mats and shoe rubber. The petition noted that Subway doesn’t use the ingredient in its breads in Europe, Australia or other parts of the world.
This is not the only chemical found in breads that is toxic to the mind and body. Bromine in bread destroys the thyroid, gallbladder, and pancreas. http://articles.mercola.com/sites/articles/archive/2009/09/05/another-poison-hiding-in-your-environment.aspx
How to avoid toxins? Simple eat organic and cook your own food.