Known or suspected cow-milk allergy

Congenital illness or malformation that may affect infant feeding and/or growth

Significant prenatal and/or postnatal disease

Any readmission to hospital prior to enrollment

Receiving prescription medication or frequent use of over the counter medications except vitamin and mineral supplements

Has received intravenous antibiotic therapy or oral probiotic in the last 7 days

Currently participating in another clinical study

Cannot be expected to comply with treatment

Probiotic Formula and Infant Growth