# Name the Strain
> Probiotic names have three parts, and the last one matters most. A quick lesson that makes every supplement label easier to judge.

## Guides
- [Probiotic Taxonomy for Beginners](https://name-the-strain-genus-species.tagizefa.workers.dev/probiotic-taxonomy-for-beginners/): A probiotic name works like an address that narrows from broad to specific: genus, then species, then strain.
- [Why Lactobacillus Has Been Split Into New Genera](https://name-the-strain-genus-species.tagizefa.workers.dev/lactobacillus-renamed-genus/): Scientists reorganized the large Lactobacillus group into many smaller genera because the old group covered organisms that were not closely related.
- [Decoding Letters and Numbers After a Strain Name](https://name-the-strain-genus-species.tagizefa.workers.dev/strain-code-on-probiotic-label/): The letters and numbers after a species name are a strain designation, a code that identifies one specific organism.
- [Same Species, Different Results: Why Strain Matters](https://name-the-strain-genus-species.tagizefa.workers.dev/same-species-different-results/): Same species different results is a real pattern in probiotic science: a species is a broad group, and individual strains inside it can differ in what they do.
- [A Label With No Strain Named: Why to Hesitate](https://name-the-strain-genus-species.tagizefa.workers.dev/label-with-no-strain-listed/): A label with no strain listed leaves out the one detail that identifies a probiotic, so you cannot link the product to any research or compare it with anything.

## About
- [About Name the Strain](https://name-the-strain-genus-species.tagizefa.workers.dev/about/): not medical advice, how the site is funded and how guides are made

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