BIG Study (Brain, Immune, and Gut Health Evaluation of Infants/Young Children Fed Infant Formula, and Later Supplemental Toddler Nutrition, With 5 Specific HMOs)

Inclusion Criteria: * Participant is judged to be in good health as determined from participant's medical history * Participant is a singleton from a full-term birth with a gestational age of 37 - 42 weeks by parent report * Participant's birth weight was ≥ 2490 g (\~5 lbs. 8 oz.) * Parent(s) confirm their intention to feed their infant the study product as the sole source of feeding from Study Visit 1 to 6 months of age, and as the sole milk beverage during the first 12 months of life * Parent(s) confirm their intention to feed the infant the assigned toddler drink from 12 months of life to 24 months of life as the primary milk beverage * Parent(s) confirm their intention not to administer vitamin or mineral supplements,(except for vitamin D supplements if instructed by their healthcare professional) from enrollment through the duration of the study * Parent(s) confirm their intention not to administer solid foods or juices to the infant from enrollment through 6 months of age unless recommended by the participant's HCP * Participant's parent(s) has voluntarily signed and dated an informed consent form (ICF), approved by an Institutional Review Board/Independent Ethics Committee (IRB/IEC) and provided Health Insurance Portability and Accountability Act (HIPAA) (or other applicable privacy regulation) authorization prior to any participation in the study * If parent(s) elect to feed the participant human milk, they confirm that their infant was fed human milk since birth and…