Exclusive new testing by Consumer Reports highlights safer formulas while also identifying some that contain potentially harmful levels of heavy metals, including lead and arsenic.

The FDA would embark on a comprehensive look at the nutrients used in infant formula and increase testing for heavy metals and other contaminants, HHS said in its statement.

The U.S. Food and Drug Administration (FDA) is stepping up testing for heavy metals in infant formula and reviewing key nutrients required in these products, federal health officials said.