Description
Inclusion Criteria:
- * Healthy, full-term infant
- * Aged 1 month (28 days) to 3 months (12 weeks, 6 days) at the first visit
- * Exclusively fed breast milk and/or infant formula
- * Willing to accept doubly-labeled water
Exclusion Criteria:
- * Unable to complete 3 clinic visits within about 14 days at Pennington Biomedical Research Center
- * Born preterm (\< 37 weeks gestation)
- * Congenital abnormality or disability
- * Gastric reflux
- * Acute illness within 7 days of the study (fever, diarrhea)
- * Use of medications to treat a chronic condition (does not include use of vitamin supplements or PRN medication for flatulence or reflux such as Pepcid)
Ages Eligible for Study:
1 Month to 3 Months (CHILD)
Sexes Eligible for Study: ALL
Accepts Healthy Volunteers:
Yes