Oregano oil is quite intense, so I always recommend capsules over liquid to...

https://wiki-saloon.win/index.php/How_Long_Does_Oregano_Oil_Take_to_Work_for_SIBO_Symptoms%3F_A_Buyer%E2%80%99s_Perspective

Oregano oil is quite intense, so I always recommend capsules over liquid to protect your esophagus. Look for standardized carvacrol for consistent potency