This clinical trial will determine if the formula given to infants experiencing fussiness, crying, cramping, gas, and/or diarrhea, is accepted and well tolerated and helps to resolve symptoms.

Inclusion Criteria:

• Subject is between 2 and 12 weeks of age
• Subject has currently been receiving a milk-based lactose-containing formula for at least 5 days as the sole item of diet
• Subject has never switched to any lactose free formula
• The parent/guardian who will fill out the quality of life questionnaire is female and at least 18 years of age
• The parent/guardian has reported an unsolicited history of feeding problems including fussiness/crying/cramping, gas, or diarrhea
• Signed Informed Consent

Exclusion Criteria:

• Subject is in daycare for more than 4 hours per day (20 hours per week)
• Subject has serious perinatal complications, underlying disease or congenital malformations that impair normal formula feeding
• The parent/guardian who will fill out the quality of life questionnaire has chronic illness, e.g. diabetes, inflammatory bowel disease or other illness requiring daily medication or treatment
• Subject has acute infectious diarrhea or any other intercurrent illness