Gut–Brain Axis: Why Your Microbio...

Gut–Brain Axis: Why Your Microbiome Affects How You Feel | EP24

Bloomin' Well Podcast by Dr. McKenzy Brewer
S1 · E24
Aug 15, 2025
16:44

Episode notes

If your gut is off balance, your whole body feels it, from brain fog and low energy to anxiety and mood swings. This video breaks down the science-backed connection between your gut microbiome, your nervous system, and your mental health, and what you can do today to start feeling better.

Your gut isn’t just about digestion, it’s home to trillions of bacteria that influence your immune system, hormone balance, energy levels, and even how your brain processes stress. When your gut is inflamed or imbalanced, it can trigger nutrient deficiencies, low-grade inflammation, and stress signals to your brain that drain your energy and affect your mood.

In this episode, we’ll cover:

  • Why gut imbalances lead to fatigue that sleep can’t fix
  • How the gut–brain axis fuels anxiety and brain fog
  • The surprising role of gut bacteria in producing serotonin and dopamine
  • Small, daily changes to support gut health without drastic diets
  • When to consider functional testing for deeper imbalances

If you’ve been eating healthy but still feel tired, anxious, or foggy, it’s not in your head. Your gut might be sending your brain the wrong messages.

Join my free community, The Garden — a safe, supportive space for women healing from chronic stress, fatigue, and gut issues: https://www.drmckenzybrewer.com/community

For more tips on nervous system healing and functional medicine, subscribe to my channel and turn on notifications.

Links & Resources:

Join the Nervous System Healing Code Program → https://www.bloominwell.com/the-nervous-system-healing-code

Book a One-on-One Consult → https://www.bloominwell.com/virtual-clinic-services

Explore the Gut Health Reset → https://www.drmckenzybrewer.com/gut-health-reset-course

Keywords

alternative health
health and wellness
gut health
gut brain axis, gut-brain axis
gut brain axis
gut-brain axis
anxiety
depression
gut microbiome
fatigue
weight gain
functional medicine
bloating