This is a randomized, controlled, double-blind, multicenter parallel study to evaluate the growth, tolerance and compliance of healthy infants fed infant formulas with extensively hydrolyzed casein protein.

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