A healthy or “normal” small intestine should have lower levels of microbial colonization compared to the colon, and when this balance is disturbed, excessive bacteria in the small intestine causes small intestinal bacterial overgrowth (SIBO).
A healthy or “normal” small intestine should have lower levels of microbial colonization compared to the colon, and when this balance is disturbed, excessive bacteria in the small intestine causes small intestinal bacterial overgrowth (SIBO).