Prebiotics are crucial for maintaining gut health, and banana flour is a prebiotic powerhouse due to its high resistant starch content. This unique starch serves as nourishment for the good bacteria ...

Resistant starches also serve as powerful prebiotics ... Products made from these foods, including bean flour, potato starch, tapioca starch and brown rice flour, also count.

(This also arguably makes resistant starch a type of fiber ... so there could be other differences due to the type of flour or other factors. The TikTokers promoting this hack aren't specifying ...