I am seeing one option to get rid of SIBO is using Elemental Diet Powders.
That might be an option too…. Instead of killing the bacteria, it starves it because apparently the bacteria eats foods that are not digested, and these powders are predigested … it is used for 2 weeks…
Just another option… not sure if u already discussed this w your Naturopath.
It is kinda pricey though!