One issue of concern as stated in the FDA update was that product was still available for sale by some retailers. Another concern was that some product was being sold online and shipped overseas where these people may not have been made aware.
The organism was found in the infant formula although its source had not yet been identified. "As part of the investigation, ByHeart tested unopened infant formula products retained at its facility. According to ByHeart, third party laboratory analysis of some of these samples identified Clostridium botulinum, which produces the toxin that is making infants sick in this outbreak. ByHeart states that it will continue to investigate these findings and perform ongoing testing to identify the source of contamination."
Case Counts
Total Illnesses: 31 (8 New)
Hospitalizations: 31 (8 New)
Deaths: 0
Last Illness Onset: November 13, 2025
States with Cases: AZ, CA, ID, IL, KY, ME, MI, MN, NC, NJ, OR, PA, RI, TX, WA
Product Distribution: Online and nationwide (including Guam and Puerto Rico)
https://www.fda.gov/food/outbreaks-foodborne-illness/outbreak-investigation-infant-botulism-infant-formula-november-2025
Outbreak Investigation of Infant Botulism: Infant Formula (November 2025)
Do not use recalled ByHeart Whole Nutrition Infant Formula. FDA’s Investigation is ongoing.
Product:
All ByHeart Whole Nutrition Infant Formula products have been recalled. This includes all unexpired lots of formula cans and single-serve “anywhere pack” sticks.
ByHeart infant formula products makes up approximately 1% of all infant formula sold in the United States and this outbreak does not create shortage concerns of infant formula for parents and caregivers.
The organism was found in the infant formula although its source had not yet been identified. "As part of the investigation, ByHeart tested unopened infant formula products retained at its facility. According to ByHeart, third party laboratory analysis of some of these samples identified Clostridium botulinum, which produces the toxin that is making infants sick in this outbreak. ByHeart states that it will continue to investigate these findings and perform ongoing testing to identify the source of contamination."
Total Illnesses: 31 (8 New)
Hospitalizations: 31 (8 New)
Deaths: 0
Last Illness Onset: November 13, 2025
States with Cases: AZ, CA, ID, IL, KY, ME, MI, MN, NC, NJ, OR, PA, RI, TX, WA
Product Distribution: Online and nationwide (including Guam and Puerto Rico)
https://www.fda.gov/food/outbreaks-foodborne-illness/outbreak-investigation-infant-botulism-infant-formula-november-2025
Outbreak Investigation of Infant Botulism: Infant Formula (November 2025)
Do not use recalled ByHeart Whole Nutrition Infant Formula. FDA’s Investigation is ongoing.
Product:
All ByHeart Whole Nutrition Infant Formula products have been recalled. This includes all unexpired lots of formula cans and single-serve “anywhere pack” sticks.
ByHeart infant formula products makes up approximately 1% of all infant formula sold in the United States and this outbreak does not create shortage concerns of infant formula for parents and caregivers.
