Effect of Formula on Infant Behavior

Inclusion Criteria: * Subject is in good health as determined from subject's medical history by parent report * Subject is a singleton full-term birth with a gestational age of 37 - 42 weeks * Subject's birth weight was ≥ 2490 g (\~5 lbs. 8 oz.) * Subject is between 7 and 42 days of age * Infant was identified by parents as very fussy or extremely fussy in the baseline tolerance evaluation * Infant is exclusively formula-fed at time of study entry * Parent(s) confirm their intention not to administer vitamin or mineral supplements, solid foods or juices to their infant from enrollment through the duration of the study * Subject's parent(s) has voluntarily signed and dated an informed consent form (ICF) prior to any participation in the study Exclusion Criteria: * An adverse maternal, fetal or subject medical history that has potential for effects on tolerance, growth, and/or development * Subject is taking and plans to continue medications, home remedies, herbal preparations or rehydration fluids that might affect gastrointestinal (GI) tolerance * Subject participates in another study that has not been approved as a concomitant study * Subject has been fed any formula containing human milk oligosaccharides prior to study enrollment * Subject has been treated with oral antibiotics within 7 days prior to study enrollment * Mother intends to use a combination of breast and formula feeding