Butyrate potential
Butyrate potential is an estimate of your community's capacity to make butyrate, a short-chain fatty acid that gut bacteria produce when they ferment dietary fiber. It reflects the presence of known butyrate-making microbes rather than a direct measurement of butyrate itself.
Butyrate is a favored fuel source for the cells lining your colon and has been studied for its role in supporting the gut barrier and a balanced local environment. A community equipped to make more butyrate is often discussed as a marker of a well-fed, fiber-fermenting gut.
A higher butyrate potential can suggest a larger share of fiber-fermenting, butyrate-making microbes, which is generally framed favorably in the research. Because this is inferred from who is present in one sample rather than measured directly, it is a supportive signal and not a diagnosis.
A lower butyrate potential can suggest fewer of these fiber-fermenters in your sample, which is sometimes seen with lower-fiber eating patterns, though a single reading does not diagnose anything.
The most common lever people are pointed toward is eating more and more varied fiber, since these microbes are fed by the plants you eat. This is an evolving area of science, so treat the score as a trend to nudge over time and review it with a clinician.
Sources
Educational context only, not medical advice or a diagnosis. Reference ranges vary by lab, age and sex; always discuss your results with a clinician.