Key Functions of Specific Probiotic Species
- • L. bulgaricus is considered a transient microorganism that does not implant in the intestinal tract but provides important protective and supplemental roles. This is the organism used to ferment natural yogurt.
- • L. plantarum plays a role in the secretion of naturally occurring antibiotic lactolin. It is also known to have the ability to synthesize L-lysine for beneficial antiviral activity.
- • B. infantis is the primary organism in the intestines of infants and also in the vaginal tract.
As Rob Knight in his TED book Follow Your Gut—The enormous impact of tiny microbes states: “The biggest problem is that many people seemed to assume that any probiotic will do. We wouldn’t do this for anything else” . Selecting a probiotic with a randomized, controlled trial recommendation is slim to none because few exist. Many people choose “live yogurt” but as clinical data shows, many yogurts have limited to no live cultures by the time they get consumed [34,35].