Infants Fed Extensively Hydrolyzed Casein-Based Infant Formulas

Inclusion Criteria: * Participant is judged to be in good health * Participant is a singleton from a full-term birth with a gestational age of 37-42 weeks * 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 nutrition for the duration of the study * Parent(s) confirm their intention not to administer vitamins, minerals (with the exception of Vitamin D supplements), solid foods or juices to their infant from enrollment throughout the duration of the study * Participant's parent(s) has voluntarily signed and dated an Informed Consent Form (ICF), approved by an Independent Ethics Committee/Institutional Review Board (IEC/IRB) and provided Health Insurance Portability and Accountability Act (HIPAA) (or other applicable privacy regulation) authorization Exclusion Criteria: * An adverse maternal, fetal or participant medical history that is thought by the investigator to have potential for effects on tolerance, growth, and/or development. * Participant is taking and plans to continue taking medications, home remedies, prebiotics, probiotics, herbal preparations or rehydration fluids that might affect gastrointestinal (GI) tolerance * Participant participates in another study that has not been approved as a concomitant study by AN. * Participant has an allergy or intolerance to any ingredient in the study product * Participant has been treated with antibiotics within 1 week prior to enrollment