ByHeart Whole Nutrition Infant Formula products may be contaminated with Clostridium botulinum, and have been linked to 15 hospitalizations. ByHeart Whole Nutrition Infant Formula is being recalled in 12 states due to concerns it may be contaminated with Clostridium botulinum, as the U.S. Food and Drug Administration (FDA) and Centers for Disease Control and Prevention continue to investigate a multi-state outbreak of infant botulism.