Behavior of Infants Fed Formula Supplemented With Prebiotics

Inclusion Criteria: * Subject is judged to be in good health. * Subject is a singleton from a full-term birth with a gestational age of 37 - 42 weeks. * Subject's birth weight was ≥ 2490 g (\~5 lbs. 8 oz.). * Infant was identified by parents as very fussy or extremely fussy. * Infant is exclusively formula-fed at time of study entry. 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 vitamin or mineral supplements, solid foods or juices to their infant from enrollment through the duration of the study. Exclusion Criteria: * An adverse maternal, fetal or subject medical history that is thought by the investigator to have potential for effects on tolerance, growth, and/or development. * Subject is taking and plans to continue medications, home remedies (such as juice for constipation), herbal preparations or rehydration fluids that might affect 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.