BiotaMD · the living gut
Condition

Small intestinal bacterial overgrowth (SIBO)

3 associated organisms · Excess microbes in the small intestine. The methane-predominant form (IMO) is driven by an archaeon, not a bacterium — a nuance most testing misses.

Organisms associated with Small intestinal bacterial overgrowth (SIBO)
Methanobrevibacter smithii Commensal Elevated in Small intestinal bacterial overgrowth (SIBO)
Archaeon

The driver of methane-predominant overgrowth (IMO); breath methane tracks its abundance.

Moderate evidence source: curated sample
Escherichia coli Opportunist Elevated in Small intestinal bacterial overgrowth (SIBO)
Species

Coliforms are among the bacteria that overgrow in the small intestine in hydrogen-predominant SIBO.

Preliminary source: curated sample
Klebsiella pneumoniae Opportunist Elevated in Small intestinal bacterial overgrowth (SIBO)
Species

A common overgrowing organism implicated in some SIBO and its metabolic byproducts.

Preliminary source: curated sample
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