Tests of ByHeart infant formula tied to a botulism outbreak that has sickened dozens of babies showed that all of the company’s products may have been contaminated. Laboratory tests of 36 samples of ...

Preliminary tests showed that ByHeart baby formula contained the type of bacteria that produces the toxin linked to a botulism outbreak, California health officials said. The outbreak has sickened at ...

CR tested over 40 baby formulas for heavy metals as well as lead, arsenic, BPA, and other potentially harmful contaminants.

Tests of ByHeart infant formula tied to a botulism outbreak that has sickened dozens of babies showed that all of the company’s products may have been contaminated. Laboratory tests of 36 samples of ...

A sign for ByHeart, a manufacturer of organic baby formula, is displayed outside a building that houses a plant for the company on Tuesday, Nov. 11, 2025, in Portland, Ore. (AP Photo/Jenny Kane) Tests ...