Specific strains of lactobacilli and bifidobacterial have been shown to work together in combination in a number of clinical trials. This summary of clinical trials includes research on one or more of the strains Lactobacillus acidophilus NCFM, Lactobacillus rhamnosus GG and HN001, Lactobacillus plantarum Lp-115, Lactobacillus paracasei Lpc-37, and Bifidobacterium lactis Bl-04, Bi-07 and HN019 as well as a trial using all eight. Finally, key mechanisms of action for each strain is summarized, from intestinal barrier support to intestinal nervous system regulation.
