The Gut-Hormone Connection: Why Your Digestion Holds the Key to Balanced Hormones

When it comes to hormonal balance, many people immediately think of the thyroid, ovaries, or adrenal glands. But what if I told you that one of the most overlooked factors in hormone health is actually your gut? As a Functional Health Practitioner, I see this connection play out daily in my clients. Let’s explore how your digestive system influences your hormones—and what you can do to support both.

Why Gut Health Matters for Hormones

Your gut is responsible for breaking down food, absorbing nutrients, and eliminating waste, but its role doesn’t stop there. A disrupted gut can lead to hormonal imbalances, contributing to issues like PMS, infertility, thyroid dysfunction, and adrenal fatigue. Here’s why:

1. The Gut Microbiome Regulates Estrogen

Your gut bacteria play a major role in how your body processes and eliminates estrogen. A healthy gut contains a group of bacteria called the estrobolome, which helps metabolize and remove excess estrogen. When your microbiome is out of balance due to dysbiosis (overgrowth of harmful bacteria), you may end up with too much or too little estrogen, leading to symptoms like:

  • Heavy or irregular periods

  • PMS and mood swings

  • Weight gain (especially around the hips and thighs)

  • Increased risk of estrogen-related conditions like PCOS and endometriosis

2. Leaky Gut and Chronic Inflammation

A compromised gut lining (also known as leaky gut) allows toxins and undigested food particles to pass into your bloodstream, triggering chronic inflammation. This inflammation stresses your adrenals, leading to cortisol imbalancesand further disrupting sex hormones like progesterone and testosterone. Signs of a leaky gut include:

  • Food sensitivities

  • Skin issues (acne, eczema, rosacea)

  • Brain fog and fatigue

  • Autoimmune conditions

3. The Gut Produces and Activates Hormones

Your gut bacteria help produce neurotransmitters like serotonin (the “feel-good hormone”), which affects mood, sleep, and stress levels. If you’ve ever felt anxious, irritable, or depressed, your gut health may be playing a role. Additionally, the gut influences the production of thyroid hormones, which regulate metabolism, energy levels, and weight management.

How to Heal Your Gut and Support Your Hormones

Now that we understand the gut-hormone connection, what can you do to optimize both? Here are my top functional medicine strategies:

1. Balance Your Gut Microbiome

  • Eat a diverse diet rich in fiber, fermented foods, and prebiotics

  • Consider a functional stool test to assess gut imbalances

  • Reduce processed foods and excess sugar, which feed bad bacteria

2. Support Estrogen Detoxification

  • Increase cruciferous vegetables (broccoli, cauliflower, Brussels sprouts)

  • Drink plenty of filtered water to flush out excess hormones

  • Support your liver with castor oil packs, dandelion tea, and milk thistle

3. Heal Leaky Gut

  • Remove inflammatory foods like gluten, dairy, and refined sugar

  • Incorporate collagen, bone broth, and L-glutamine to repair the gut lining

  • Reduce stress, as high cortisol contributes to gut permeability

4. Prioritize Blood Sugar Balance

  • Eat protein, healthy fats, and fiber at every meal

  • Avoid skipping meals or excessive caffeine

  • Consider adding chromium, magnesium, and cinnamon to improve insulin sensitivity

Functional Testing for Gut & Hormones

If you’re struggling with hormonal imbalances, digestive issues, or unexplained symptoms, functional lab testing can help uncover hidden stressors. As a Functional Diagnostic Nutrition Practitioner (FDN-P), I use tests like:

  • GI-MAP Stool Test – Identifies gut infections, parasites, and dysbiosis

  • HTMA (Hair Tissue Mineral Analysis) – Assesses mineral imbalances affecting thyroid and adrenal function

  • DUTCH Hormone Test – Provides a complete picture of your sex and adrenal hormones

Take the Next Step Toward Healing

Your gut health is foundational to hormonal balance, fertility, mood, and metabolism. If you’re tired of feeling out of sync with your body, let’s uncover the root causes together!

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Healing is possible when we support the body from the inside out. Let’s get you back to feeling vibrant and in balance!



Dee Davidson is a Functional Health Practitioner, hormone health expert, and advocate for personalized health and integrative care. With a focus on functional health and functional nutrition, Dee provides bio-individualized solutions to help clients restore balance. To learn more about how functional lab testing, functional medicine, and a holistic health approach can support your wellness journey, listen to her Confidently Balance Your Hormones podcast or schedule a discovery call at ConfidentlyLoveYourself.com.

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Gluten Sensitivity vs. Celiac Disease: What’s the Difference & Why It Matters

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What You Need to Know About SIBO: The Hidden Gut Imbalance Driving Your Symptoms