Is Your Gut Driving Your Anxiety? Understanding the Powerful Brain–Gut Connection with Gabe Dough of Good Bru

What if anxiety, mood swings, brain fog, and low emotional resilience aren’t beginning in your mind—but in your gut?

In Episode 387 of the Choose 2 Think Inspirational Podcast, I sat down with Gabe Dough of Good Bru for a deep and practical conversation about the brain–gut connection and why the microbiome is not secondary to health, but primary.

​This discussion sheds light on how gut health influences mental health, stress response, inflammation, and overall well-being—and why caring for your gut may be one of the most overlooked steps toward emotional and physical resilience.

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The Gut as the “Second Brain”

Scientists often refer to the gut as the second brain, and for good reason. The digestive system contains more than 100 million neurons—forming what is known as the enteric nervous system. This network doesn’t exist solely to digest food. It plays a critical role in regulating the nervous system, mood, cognition, and stress response.

A key player in this communication is the vagus nerve, which acts like a superhighway of information between the gut and the brain. Signals constantly travel both directions, meaning what happens in the gut directly influences brain function—and vice versa. This helps explain why gut issues are often linked with anxiety, depression, and difficulty handling stress.

The Microbiome: A Primary Organ of Health

During the conversation, Gabe encourages listeners to think of the microbiome as another organ in the body. It produces important metabolites, helps break down and absorb nutrients, supports immune function, and directly affects the endocrine and nervous systems.
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When the microbiome is healthy, it provides resilience—more “fuel in the tank” to handle stress, illness, and environmental challenges. When it’s disrupted, a state known as dysbiosis, the effects can ripple throughout the body.

Gut Health, Anxiety, and Neurotransmitters

One of the most striking connections discussed is between gut health and neurotransmitters like serotonin. A large percentage of serotonin—the neurotransmitter associated with calm, mood regulation, and emotional stability—is produced in the gut.

When dysbiosis is present, the body may produce higher levels of stress and anxiety-related hormones while producing fewer calming neurotransmitters. This means that experiencing stress or trauma during periods of poor gut health can predispose someone to stronger, more prolonged anxiety responses.
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In this way, gut health doesn’t just affect digestion—it shapes how the body and brain respond to life itself.

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Inflammation, Leaky Gut, and Immune Response

Gabe also explains how poor gut health can lead to increased intestinal permeability, often referred to as “leaky gut.” When the gut lining breaks down, substances that should remain inside the digestive tract can escape into the bloodstream.
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The immune system identifies these particles as foreign and mounts an inflammatory response. Chronic inflammation has been linked to a wide range of issues, including anxiety, fatigue, autoimmune conditions, and chronic disease. Once again, what begins in the gut rarely stays there.

Protein Digestion and the Role of the Microbiome

Another lesser-known function of the microbiome is its role in breaking down proteins. The body cannot absorb whole proteins; they must first be broken down into peptides and amino acids.
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When proteins are not properly digested and escape the gut, the immune system reacts strongly—often triggering inflammation. A healthy microbiome helps ensure proteins are processed correctly, reducing immune stress and supporting overall metabolic health.

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Prebiotics, Probiotics, and Feeding the Gut

The episode also clarifies the often-confusing world of prebiotics and probiotics. Probiotics are living microorganisms that support gut health. Prebiotics are the non-living fibers that feed those beneficial microbes.

​Many highly processed fibers—such as wheat and corn dextrins—are not found in nature and may worsen symptoms for some individuals. Instead, natural prebiotics like inulin, resistant starches, and fibers from whole vegetables better support the microbiome.

When prebiotics and probiotics are combined intentionally, they form what is known as a synbiotic—a partnership that helps beneficial microbes thrive.

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Practical Steps to Support Gut Health

Throughout the episode, Gabe emphasizes that gut health is shaped by daily choices. Diet, exercise, sleep, stress management, and medication use all influence the microbiome.
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Small, consistent steps—such as increasing natural fiber intake, reducing refined sugars, moving the body regularly, and supporting digestion—can make a meaningful difference over time. Healing the gut is not about perfection, but about intention and consistency.

A Holistic View of Healing

This conversation reinforces a vital truth: the body is not a collection of isolated systems. The gut, brain, immune system, and hormones are deeply interconnected. When one system is out of balance, the others feel it.

By understanding and supporting the gut–brain connection, we gain a powerful tool for improving mental clarity, emotional resilience, and overall health.
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If you’ve been addressing anxiety or chronic stress without considering gut health, this episode offers a new—and hopeful—perspective: healing may begin from the inside out. #choose2think