Coaching practices for The Gut Brain Axis How Your Gut Talks to Your Brain in a New Job

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Does this sound like the set of challenges you might be facing?

  • On the days my stomach is off I also feel low and foggy, and I can’t tell anymore which one is driving the other
  • When I’m stressed my stomach knots up instantly and my mind races, and I want a physical way to reach the actual wire between my gut and my brain
  • People keep telling me to “eat more fiber for your mood” and it sounds like a stretch
  • I keep reading that my gut and my brain are talking to each other, and my digestion has felt off the same stretch my mood has
  • I’m doing everything right with food and still feel off, and I’m starting to think it’s the short, broken nights I keep brushing aside

Practices that may help

  1. The Gut-Brain Axis: How Your Gut Talks to Your Brain
    The gut and brain communicate continuously via the vagus nerve, immune signals, and microbial metabolites — a well-established bidirectional highway. Whether deliberately intervening on gut bacteria reliably shifts mood in healthy people is a much younger, more contested question; the mechanistic picture is solid but clinical evidence for "psychobiotics" is still preliminary.
  2. Track the gut-mood signal for your own body
    The gut-brain link is real but highly individual — journal to discover your own pattern.
    Fermented Foods and Mental Health, Made Practical
  3. Stimulate the vagus nerve with slow breathing
    Slow, extended-exhale breathing activates the vagus nerve — the main physical wire of the gut-brain connection.
    The Gut-Brain Axis: How Your Gut Talks to Your Brain
  4. Understand the vagus nerve pathway between gut bacteria and mood
    Short-chain fatty acids from fiber fermentation signal the brain via the vagus nerve — this is the physical wiring of the gut-brain axis.
    Dietary Fiber for Mood, Made Practical
  5. Feed your gut with fiber and fermented foods
    Eat a diversity of plants and some fermented foods to support a healthier gut microbiome.
    Nutrition and Mood: The Gut-Brain Link, Honestly Explained
  6. Protect sleep to protect your microbiome
    Poor sleep degrades gut microbiome diversity — the gut-brain axis is a two-way street that sleep disruption damages from the top down.
    The Gut-Brain Axis: How Your Gut Talks to Your Brain
  7. Displace ultra-processed foods
    Ultra-processed foods degrade the gut lining and microbial balance that the gut-brain axis depends on.
    The Gut-Brain Axis: How Your Gut Talks to Your Brain
  8. Recognize that 90% of serotonin is made in the gut, not the brain
    Gut serotonin regulates intestinal movement and signals the enteric nervous system — inadequate fiber and microbiome diversity impairs this production.
    Dietary Fiber for Mood, Made Practical
  9. Dietary Fiber for Mood, Made Practical
    Dietary fiber feeds gut bacteria that produce short-chain fatty acids (SCFAs), which influence the vagus nerve, the enteric nervous system, and systemic inflammation — all pathways connecting the gut to the brain. John Cryan’s gut-brain axis research shows the gut produces the majority of the body’s serotonin and communicates directly with the brain via the vagus nerve. Observational studies link high-fiber diets to lower rates of depression; direct mood RCTs for fiber specifically are limited, but the mechanism is well established.
  10. Add a daily fermented food
    Live-culture yogurt, kefir, kimchi, or sauerkraut — one serving a day introduces bacteria the gut-brain axis runs on.
    The Gut-Brain Axis: How Your Gut Talks to Your Brain

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