For SIBO support, look for oregano oil standardized to carvacrol. I prefer...

https://astro-wiki.win/index.php/Is_Oregano_Oil_Okay_to_Take_Every_Day_for_Gut_Health%3F

For SIBO support, look for oregano oil standardized to carvacrol. I prefer capsules over liquid to avoid the throat burn. You typically need a 2 to 4 week window to assess how it works for you. Always check with your doctor before starting any regimen.