EWG

Our food should be nourishing and safe to eat.

But more than 10,000 chemicals are allowed in food sold in the U.S. Some are direct additives, such as preservatives like butylated hydroxyanisole, or BHA, and butylated hydroxytoluene, or BHT, which are intentionally added to processed food. Others are so-called indirect additives, like heavy metals, which contaminate food during processing, storage and packaging.