Your intolerances to sorbitol fructose and lactose would not give you bad breath.
SIBO definately will give your Bad breath.I have always wondered if there is a direct relation to the flora in your small intestines and the flora in your mouth ie rebalance your flora in your small intestines, effectively getting rid of SIBO,at the same time your mouth flora become rebalanced.I think you have answered that very important question.
Good post,more important than you probably realize.
Tks,