For SIBO support, look for oregano oil standardized to carvacrol. I prefer...

https://www.tumblr.com/magnificentapexwonder/815656043812208640/pure-mountain-botanicals-oregano-oil-capsules

For SIBO support, look for oregano oil standardized to carvacrol. I prefer capsules over liquid to avoid the throat burn. You typically need a 2 to 4 week window to assess how it works for you. Always check with your doctor before starting any regimen.