date:Feb 14, 2014
studies showing that an 8-gram portion of GOS increases the number of bifidobacteria in the intestine, and that 109 colony-forming units of B. lactis induce changes in elderly microflora. Volunteers were randomized to four groups that consumed the study products in random order in four periods. Supplements were provided for 21 days, with a 28-day wash-out period that has been effective in previous studies with B. lactis and GOS.
Blood, saliva and fecal samples were taken from the study subject