Most people don't connect their afternoon crash or brain fog to what's happening in their gut. Here's what the research says, and what to do about it.
7 Signs Your Gut Health Is Affecting Your Energy, Focus and Mood
Written by
Dr. Will Cole, IFMCP, DNM, DC
Medically reviewed by
Dr. Austin Lake, DC
Published September 2026
Last updated September 2026
9 min read