There are several types of probiotics with Lactobacillus acidophilus being the most well known. They come from the Lactobacillus, Bifidobacterium, Saccharomyces and Streptococcus families with one or two less well known individuals from other families.
Certainly those first four families of bacteria are the ones that the majority of medical trials and studies have been done on.
|L acidophilus||B bifidum||S boulardii||S thermophilus||Bacillus cereus|
|L reuteri||B infantis||S salivarius subspthermophilus||Propionibacterium freudenreichii|
|L plantarum||B lactis||Entercoccus|
|L casei||B longum||Escherichia coli|
|L salivarius||B breve|
|L bulgaricus||B adolescentis|
The above list is colated from the sources below (see references) and is a conservative list.
These are the probiotics to check are within your supplement. However that is not the end of it. Probiotics must be defined by strain as well as family.
The World Health Organization define probiotics as live micro-organisms which when administered in adequate amounts confer a health benefit on the host. Only specific strains within each of those families listed are probiotic. For example, not all strains of Lactobacillus acidophilus are probiotic although they are all good bacteria.
So ensure that on your supplement the bacteria are listed by strain as well as family.
Gupta V, Garg R. Probiotics. Indian J Med Microbiol 2009;27:202-9
Michael de Vrese, J Schrezenmeir. Probiotic, Prebiotics, and Synbiotics. Adv Biochem Engin/Biotechnol (2008) 111:1-66.
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