Hydrogen Sulfide (H2S) Producers

Hydrogen Sulfide levels are often used to diagnosis SIBO. (Hydrogen sulphide in exhaled breath: a potential biomarker for small intestinal bacterial overgrowth in IBS. 2016) Today I saw a naive comment and would like to educate SIBO folks on what is known from actual studies.

“Hydrogen sulfide producing bacteria are gram negative proteobacteria.

A post on Facebook

Who produces hydrogen sulfide?

Positive findings: