Tolerance and Efficacy of Wondersun Infant Formula in Formula-fed Chinese Term Infants

Inclusion Criteria: * Parental/legal guardian written informed consent. * The mother had unequivocally decided not to breast-feed (for formula fed infants) or to breastfeed (for human milk fed infants). * Term infant of Chinese origin born at 37-42 gestation weeks as determined by menstrual history and corroborated by prenatal Unltra-Sound (US) and/or physical examination. * Birth weight appropriate for gestational age (AGA), 2500-4000g (between 10th\~ 90th percentile of body weight at same gestation age). * The infant is apparent healthy at birth and entry to study. * Apgar after 5 minutes \>7. * Enrolled within their first 14 days after birth. * The infant is a product of normal pregnancy and delivery including C-section. * Patental ability to attend visits, interviews and willing to fill questionnaires. Exclusion Criteria: * Mother health condition: (psychological of physical) or socioeconomic problems that may interfere with the mother's ability to take care of her infant. * The infant suffers from a major congenital abnormality or chromosomal disorder with a clinical significance that can be detected at birth. * The infant suffers/ed from a disease requiring mechanical ventilation or medication treatment at the first week after birth. * The infant suffers from any suspected or known metabolic or physical limitations interfering with feeding or normal metabolism (require a special formula). * The infant is a carry of HBV (HBsAb positive).