The addition of a high concentration sn-2 palmitic acid prebiotic oligosaccharides and partially hydrolyzed whey protein resulted in a strong tendency of softer stools in constipated infants, but not in a difference in defecation frequency.
Link to Publication: http://www.ncbi.nlm.nih.gov/pubmed/17428343
Reference
Bongers ME, et al. The clinical effect of a new infant formula in term infants with constipation: a double-blind, randomized cross-over trial. Nutrition Journal 2007, 6:8 doi:10.1186/1475-2891-6-8.
