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Dr. Kara Fitzgerald

Individualized Evidence Based Integrative & Functional Medicine

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Category: MarketsSeptember 18, 2015

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PreviousPrevious album:The Staff at Dr. Kara Fitzgerald

KARA FITZGERALD, ND

DR. KARA FITZGERALD, LLC
KF EDUCATION & CONSULTING, LLC

The New Frontiers Functional Medicine & Nutrition Clinic is located in the Sandy Hook Village section of Newtown, Connecticut in Fairfield County, Connecticut.

Phone:
(203) 304-9502
Fax:
(203) 304-9503
Address:
27 Glen Road, Sandy Hook CT 06482

Find us on:

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IFM Certified Practitioner

Kara Fitzgerald, ND, Naturopathic Doctor is a certfied practitioner with The Institute for Functional Medicine.

functionalmedicine

Follow Us on Instagram

drkarafitzgerald

Microplastics aren’t just in the environment anymo

Microplastics aren’t just in the environment anymore. They’re in us.

Emerging research shows they can disrupt the gut microbiome, reduce diversity, and promote inflammation, while also stressing the gut lining itself.

The pattern is familiar: dysbiosis → barrier dysfunction → immune activation

There’s no clear way to “detox” them.

So the focus shifts: support the systems that interact with exposure.

Gut health isn’t just digestion. It’s how we process the world around us.

Source: doi: 10.3389/fcimb.2024.1492759

You’re not tired because you’re doing too much. Y

You’re not tired because you’re doing too much.

You’re tired because your body isn’t functioning the way it should.

Blood sugar crashes.�Poor sleep quality.�Chronic inflammation.�Nutrient deficiencies.

👉 This is why rest doesn’t fix it.

Most people try to push through fatigue…when what they actually need is to understand what’s happening underneath it.

Once you fix the root cause, everything changes.

Energy. Focus. Metabolism. Mood.

👉 Send this to someone who’s always tired�👉 Follow for root-cause health

Most people think bananas are the go-to for potass

Most people think bananas are the go-to for potassium…but they’re not the whole story.

A well-made bone broth can actually deliver more potassium, along with collagen, amino acids, and minerals that support gut health, muscle function, and recovery.

For patients focused on electrolyte balance, hydration, and whole-food nutrition, this is a simple (and often overlooked) upgrade.

It’s not about cutting bananas. It’s about expanding the conversation.

Comment BONE BROTH and we’ll send you a link to learn more about the power of broth.

#FunctionalMedicine #RootCauseMedicine #GutHealth #Electrolytes #BoneBroth #ClinicalNutrition #IntegrativeMedicine

Fatigue. Brain fog. Loss of muscle. Labs that look

Fatigue. Brain fog. Loss of muscle. Labs that look fine.

The androgen blind spot is one of the most underdiagnosed issues in midlife care for both men and women.

In this webinar, we unpack why standard testing misses low androgens, what the DUTCH Test reveals that conventional panels don't, and how addressing this changes energy, resilience, and aging trajectories for your patients.

Comment ANDROGENS and we'll DM you the registration link. https://www.drkarafitzgerald.com/2026/03/31/webinar-androgen-blind-spot

📅 Thursday, April 23 | 3 PM ET

#FunctionalMedicine #HormoneHealth #Androgens #LongevityMedicine #DUTCHTest #ClinicianEducation #NewFrontiersFM

We talk a lot about probiotics. But what about th

We talk a lot about probiotics.

But what about the compounds that actually shift the microbiome?
These are often referred to as postbiotics, or microbiome-derived compounds that can help guide the gut toward a healthier, more balanced state.

Some of the most interesting we’re using clinically:
• Butyrate
• Urolithin A
• Ergothioneine
• Erucin (from arugula)
• TUDCA (a bile acid derivative)

These compounds don’t just “add bacteria”, they help influence the environment the microbiome operates in.

And that matters.

Because gut health isn’t just about what’s present; it’s about what’s being produced.

In practice, these can be especially helpful when:
• digestion is compromised
• protein metabolism is off
• or we’re working to shift a dysbiotic pattern

It’s a more nuanced, functional approach, supporting the ecosystem, not just the inputs.

🎧 Comment GUT MUSCLE AXIS or head to https://www.drkarafitzgerald.com/2026/04/07/high-protein-gut-health/ to listen to the full podcast with @dxsolutionslab

This website is for informational purposes only and is not a substitute for professional medical advice, diagnosis, or treatment. Always consult your physician with any questions regarding a medical condition.

© 2026 Dr. Kara Fitzgerald, LLC | Site by Yakadanda

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Dr. Kara Fitzgerald, ND

Dr. Fitzgerald is an internationally-recognized expert clinician, as well as nationally-bestselling author, who is actively engaged in clinical research on epigenetics and longevity using a diet and lifestyle intervention developed in her research and practice.

She has published two clinical studies on the potential bioage-reversing effects of an 8-week DNA methylation-supportive diet and lifestyle in middle-aged men and women in the journal Aging. She continues to lead the conversation around interventions for healthy aging and their extensive potential in improving individual and population level disease burdens, while also providing evidence-based and practical advice that cuts through the hype.

Dr. Fitzgerald is on faculty at the Institute for Functional Medicine (IFM), is an IFM Certified Practitioner, and lectures globally on functional medicine, longevity, and epigenetics to practitioners and consumers.

She maintains an award-nominated podcast series ranked in the top 1% of global podcasts by Listen Score, New Frontiers in Functional Medicine, and an active blog and Clinic Immersion webinar series through her website, www.drkarafitzgerald.com.

Follow Dr. Fitzgerald on Instagram: @drkarafitzgerald

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