Oregano oil is a popular SIBO tool. Look for at least 70% carvacrol. I prefer...

https://www.thistradinglife.com/health/best-oregano-oil-capsules-for-sibo-top-rated-supplements-for-gut-health-support

Oregano oil is a popular SIBO tool. Look for at least 70% carvacrol. I prefer capsules over liquid to avoid the burning sensation and ensure it hits the gut correctly. Most protocols run for 2 to 4 weeks. Always consult your provider before starting.