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

https://wiki-nest.win/index.php/What_Does_Oregano_Oil_Actually_Do_in_the_Small_Intestine_for_SIBO%3F

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.