While it’s true we can’t technically digest fiber, that’s only applicable to the part of us that’s actually human. But most of the cells in our bodies are bacteria.1176 Our gut flora, which weigh more than one of our kidneys and are more metabolically active than our livers,1177 have been called our “forgotten organ.”1178 And our good gut bacteria don’t just digest fiber—they thrive on it. Fiber is like comfort food for your colon. So we can digest fiber, just not without a little help from our little friends.
