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Your guide to new names:

Lactobacillus Hello my name is

Probiotic names are important. They indicate a probiotic’s unique L. rhamnosus XYZ identity, which tie it to information about its health bene ts.

Your probiotic is named using the Why the change? conventions for all living things. The Probiotic scientists realized the name has a genus (plural: genera), then – a common probiotic genus a , and in the case of , a – contained species that were too di erent name is also included: from each other genetically. So, they XYZ changed the genus name to keep the probiotic groups accurate and organized. Often this is abbreviated as Species names and strain designations have L. rhamnosus XYZ, because in the not changed – only the over-arching genus context of probiotics, “L.” usually names have changed. refers to “Lactobacillus”

If your probiotic contains this: Its new name is this: But your product may just list it as this: Lacticaseibacillus casei L. casei Lacticaseibacillus paracasei L. paracasei Lactobacillus rhamnosus Lacticaseibacillus rhamnosus L. rhamnosus These probiotic Lactobacillus have not Lactiplantibacillus plantarum L. plantarum changed names: Levilactobacillus brevis L. brevis • Lactobacillus Ligilactobacillus salivarius L. salivarius acidophilus Limosilactobacillus fermentum L. fermentum • Lactobacillus Lactobacillus reuteri Limosilactobacillus reuteri L. reuteri delbrueckii subsp. bulgaricus (aka Lactobacillus What does this mean for you? bulgaricus) Day-to-day, not much! If you currently take a probiotic, those same probiotic • will remain in your supplement or food. They just might be listed under • Lactobacillus gasseri a di erent name on the label or in the probiotic’s accompanying information. • Any changes to product labels may take a year or more to occur. But when you • Lactobacillus see them, you’ll know what the changes are all about. helveticus

If you’re wondering about consuming a speci c probiotic strain and are looking up its health e ects, you may want to try searching under both its former name and its new name.

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