SIBO (Small intestinal bacterial overgrowth) occurs when there are excess bacteria in the small intestine. SIBO often happens because of lack of movement of the small intestine.

Essential oils in the treatment of intestinal dysbiosis: A preliminary in vitro study
Results:
"Carum carvi [Caraway], Lavandula angustifolia [Lavender], Trachyspermum copticum [Ajowan] and Citrus aurantium var. amara [Bitter Orange] essential oils displayed the greatest degree of selectivity, inhibiting the growth of potential pathogens at concentrations that had no effect on the beneficial bacteria examined."
Conclusion:
"The most promising essential oils for the treatment of intestinal dysbiosis are Carum carvi, Lavandula angustifolia, Trachyspermum copticum, and Citrus aurantium var. amara. The herbs from which these oils are derived have long been used in the treatment of gastrointestinal symptoms and the in vitro results of this study suggest that their ingestion will have little detrimental impact on beneficial members of the GIT microflora. More research is needed, however, to investigate tolerability and safety concerns, and verify the selective action of these agents."
HEO's Comment: One impressive conclusion from this study is that these essential oils displayed "selectivity" against detrimental bacteria but had -0- effect on the beneficial bacteria.

Given the study above, we formulated our Intestinal Pro blend.

The Antibacterial Action of Essential Oils Does Not Harm Beneficial Flora,  a Hopewell Essential Oils article