Oregano oil is a common tool for SIBO support. I prefer capsules over liquid...

https://blogfreely.net/gertonmhvf/where-to-buy-high-quality-oregano-oil-capsules-for-sibo-online

Oregano oil is a common tool for SIBO support. I prefer capsules over liquid for consistent carvacrol dosing and to avoid the burn. Most protocols suggest a two to four-week window. Here is what to check on the label for a quality extract.