From observation to strain
The history of most probiotics follows the same arc: something is noticed in the field, isolated in a laboratory, characterised, and then held to a manufacturing specification so that every batch behaves like the one that was studied.
Why the specific strain matters
Effects demonstrated for one strain cannot be assumed for its relatives. The strain designation on a pack is the part that ties a product to the research behind it.
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Replace with the approved corporate history and strain documentation.
