The objective of this study is to assess the comparative gastrointestinal (GI) tolerance of normal term infants to two experimental soy-based formulas, relative to a commercially available soy-based formula.

Inclusion Criteria:

• Infant is judged to be in good health.
• Infant is a singleton from a full term birth with a gestational age of 37-42 weeks.
• Infant's birth weight was > 2490 g (~5 lb 8 oz).
• Infant is between 0 and 8 days of age at enrollment.
• 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 for the duration of the study.
• Infants using medications or home remedies, herbal preparations or rehydration/intravenous (IV) fluids that might affect GI tolerance may not be enrolled.

Exclusion Criteria:

• An adverse maternal, fetal or infant medical history that is thought by the investigator to have potential for effects on tolerance, growth, and/or development.
• Infant has been treated with antibiotics.
• Infant has received probiotics.