June 24, 2026, 5:15 AM EDT Angel Carter had breastfed her baby, Ashaan, exclusively from the day he was born. But last November, when Ashaan was 9 months old, it was time for Carter to transition her son to a sippy cup. An Oregon Department of Human Services caseworker suggested that Carter, a single mother receiving state assistance, try ByHeart infant formula because it was “the closest thing to breast milk,” Carter recalled.