Oregano oil is a common choice for SIBO, but look for a high carvacrol...

https://canvas.instructure.com/eportfolios/4205790/home/why-is-medical-cannabis-not-prescribed-casually-in-the-uk

Oregano oil is a common choice for SIBO, but look for a high carvacrol percentage. Capsules are easier to take than liquid, which can burn your throat. Most people gauge results after a 2 to 4 week cycle. Prioritize quality for your gut.