The Hydrogen Sulfide Diet Foods to avoid and what to eat for patients with Hydrogen Sulfide SIBO and/or LIBO. About This Handout This diet handout is useful for those with hydrogen sulfide SIBO or LIBO (large intestinal bacterial overgrowth). It removes the major sulfur-containing foods to rob hydrogen sulfide bacteria of the substrate they need to make hydrogen sulfide. If you have hydrogen sulfide SIBO, consider combining this diet with the SIBO Bi-Phasic diet. FREE DOWNLOAD