This is not the same type of ammonia in household cleaners. It is classified as safe by the U.S. Food and Drug Administration (FDA) and is approved in most other countries, including the European Union.
Ammonium hydroxide, a mixture of water and ammonia, is used in baked goods, cheeses, candy and other products, according to the International Food Information Council. The Food and Drug Administration approved the chemical for leavening, acidity control and other purposes. The ammonium hydroxide lowers the acidity of meat, making it inhospitable to bacteria.