Monograph
Postbiotics: A Practical Guide
Overview Postbiotics are defined by the International Scientific Association for Probiotics and Prebiotics (ISAPP) as "a preparation of inanimate microorganisms and/or their components that confers a health benefit on the host." This 2021 consensus definition formally recognized postbiotics as…
By Kristopher Crawford
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13 May 2026
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5 min read
Overview Postbiotics are defined by the International Scientific Association for Probiotics and Prebiotics (ISAPP) as "a preparation of inanimate microorganisms and/or their components that confers a health benefit on the host." This 2021 consensus definition formally recognized postbiotics as…
In the full monograph
- What it is, and how it works
- What the evidence shows — randomized trials, observational data, animal studies, graded and cited
- Dose, form, and timing
- What to expect, and how soon
- Who should be careful, and what to check first
- The verdict
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