Many people looking into SIBO support turn to oregano oil for its concentrated...
https://wiki-nest.win/index.php/What_Does_Oregano_Oil_Actually_Do_in_the_Small_Intestine_for_SIBO%3F
Many people looking into SIBO support turn to oregano oil for its concentrated carvacrol content. I generally suggest capsules over liquid because the taste can be quite harsh