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

https://smoothdecorator.com/how-do-i-choose-oregano-oil-capsules-if-i-mainly-have-gas-after-meals/

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