Books Archives - Dr. Kara Fitzgerald

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Dr. Kara Fitzgerald

Individualized Evidence Based Integrative & Functional Medicine

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Better Broths Paperback — Better Broths & Healing Tonics Book (Paperback)
Original price was: $19.95.Current price is: $14.95.

Better Broths & Healing Tonics Book (Paperback)

What if your next meal could actually reverse the clock on aging? Better Broths & Healing Tonics is the companion cookbook to Dr. Kara Fitzgerald’s groundbreaking Younger You program, the clinically proven approach that helped participants shave three years off their biological age. With 75 bone broth and vegetarian broth-based recipes, this is “food as medicine” made delicious, approachable, and backed by real science. Whether you have ten minutes or all afternoon, there’s a healing recipe here for you.

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Sale!

Younger You Paperback — Younger You Book (Paperback)
Original price was: $19.95.Current price is: $11.95.

Younger You Book (Paperback)

What if you could turn back the clock on aging, not with injections or extreme diets, but with a simple, science-backed program? Younger You presents the first plan ever clinically proven to lower biological age, developed by Dr. Kara Fitzgerald from her landmark peer-reviewed research. By optimizing your epigenetics through nutrition and lifestyle, you can build resilience, sharpen cognition, boost energy, and meaningfully reduce your risk of the diseases most associated with aging. It’s bio-hacking for the rest of us and it actually works!

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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

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IFM Certified Practitioner

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

functionalmedicine

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drkarafitzgerald

Fasting glucose matters. So do lipids, inflammator

Fasting glucose matters. So do lipids, inflammatory markers, body composition, biological age, and the many other data points we use to understand health and guide care.

But as drcaseyskitchen, reminds us here, none of those numbers is the end goal.

The goal is more years with the health, energy, cognition, resilience, and capacity to fully participate in your life.

That’s an important distinction as longevity medicine moves rapidly into the mainstream. Because if we focus only on optimizing biomarkers, we risk missing the bigger question: What are we helping our patients optimize for?

Casey is one of the voices joining us for Functional Medicine IS Longevity Medicine, our free virtual Masterclass for clinicians, September 18–19.

We’re bringing together leading voices to explore what longevity medicine looks like when we move beyond isolated metrics and address the interconnected systems that shape healthspan.

If you practice Functional Medicine, this conversation is already yours.

Join us September 18–19. Registration is free. Comment MASTERCLASS to register.

Functional Medicine IS Longevity Medicine. And thi

Functional Medicine IS Longevity Medicine. And this conversation is getting bigger.

September 18–19, I’m bringing together an extraordinary group of clinicians, researchers, scientists, and innovators for two days devoted to where longevity medicine is headed and, importantly, how we translate that science into clinical practice.

Joining me are Casey Means, MD; Jeff Bland, PhD; Peter Diamandis, MD; Dale Bredesen, MD; Helen Messier, PhD, MD; Aviva Romm, MD; Carrie Jones, ND; Vittorio Sebastiano, PhD; Colleen Cutcliffe, PhD; and many more.

We’ll dig into the science shaping healthy aging, including epigenetics, cellular aging, metabolic health, inflammation, the microbiome, advanced testing, nutrition, emerging interventions, and practical strategies clinicians can bring back to their patients.

Because longevity medicine shouldn’t be reduced to the newest test, technology, or “hack.”

Functional Medicine has always asked the deeper questions: What is driving dysfunction? How are these systems connected? Where can we intervene earlier? And how do we build resilience before disease takes hold?

That’s why I believe Functional Medicine IS Longevity Medicine.

Last year, more than 8,000 people registered from 107 countries. This year, we’re continuing the conversation and pushing it forward.
📅 September 18–19, 2026
💻 Free + virtual

If you’re a clinician thinking seriously about the future of healthy aging, I want you there.

Comment MASTERCLASS to register

Perimenopause hormones rarely move in a straight l

Perimenopause hormones rarely move in a straight line. One FSH result can miss the story.

In our latest guest article, @drcarriejones examines what longitudinal hormone tracking may reveal about ovulation, estrogen variability, and rising FSH levels, as well as the emerging links to bone, muscle, brain, and metabolic aging.

Swipe for the clinical takeaways. Comment FSH BLOG, and we’ll send you the full article.

@mira

In the world of FxMed, “engineered food” sounds al

In the world of FxMed, “engineered food” sounds alarm bells. 🚨

It usually means ultra-processed products optimized for shelf life, palatability, and cost, rather than metabolic health or nutrient density.

But it may mean a lot more than that.

A new report from the Engineering Research Visioning Alliance argues that precision nutrition is being limited by our ability to engineer food systems that can deliver personalized and measured nutrition at scale.

Could the future of engineered food mean better nutrient stability, greater accessibility, less waste, and more predictable biofunction?

Comment ENGINEERED FOOD and we’ll DM you the link to the blog!

Action + Consistency > Knowledge + Good Intentions

Action + Consistency > Knowledge + Good Intentions

Knowing what supports your health is only the first step. Change happens when you turn that knowledge into something you practice, especially when it’s inconvenient.

Choose one healthy habit you’ve been negotiating with and commit to it this week.

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

Follow Dr. Fitzgerald on YouTube