If you are exploring oregano oil for SIBO, look for high-potency carvacrol...

https://romeo-wiki.win/index.php/Is_60%25_Carvacrol_Enough_for_SIBO_or_Do_I_Need_Closer_to_80%25%3F

If you are exploring oregano oil for SIBO, look for high-potency carvacrol content. I usually suggest capsules over liquid because the oil is so concentrated it can easily irritate your throat