ByHeart
| Company type | Private |
|---|---|
| Founded | 2016 |
| Founders | Mia Funt Ron Belldegrun |
| Headquarters | , United States |
| Products | Infant formula |
| Website | byheart |
ByHeart is an American infant formula company. It was founded in 2016 by Mia Funt and Ron Belldegrun, and headquartered in New York City. Its first infant formula was launched in March 2022. ByHeart's products have been associated with two incidents of bacterial contamination since being launched, the first contamination with Cronobacter sakazakii in 2022, the second a national outbreak of Clostridium botulinum which sickened 37 infants with botulism in November 2025.