When using oregano oil for SIBO, look for high carvacrol content. I prefer...

https://highstylife.com/what-carvacrol-percentage-should-i-look-for-in-oregano-oil-capsules-for-sibo/

When using oregano oil for SIBO, look for high carvacrol content. I prefer capsules over liquid—they are gentler and reach the gut better. You might notice a shift in two to four weeks, but results vary