Urolithin A: Mitochondrial Support for Longevity, Strength & Heart Health
Urolithin A is rapidly becoming a go-to longevity nutrient, and with good reason. Backed by 15 years of research and 11 human clinical trials, it is one of the most…
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Latest Blogs
Avoiding Toxic Food Chemicals Just Got a Bit Easier: New Laws & What You Need to Know
When I was a kid at lunch, while my friends were eating those heavenly-looking ultraprocessed Twinkies and Ringdings and making dough balls with their white bread, I ate home-made yogurt…
What Urinary Hormone Metabolite Testing Tells Us about Estrogen Metabolism and Breast Cancer Risk
Estrogen is a life-giving hormone with which modern humans have a complicated relationship. Over two decades ago, The Women’s Health Initiative (WHI) findings mistakenly reported that combined estrogen and progestin…
5 Olive Oil Myths Debunked
Discover the truth about olive oil. Dr. Artemis Morris busts common myths and shares science-backed benefits of this Mediterranean staple.
Insomnia’s Five Subtypes: Here’s How to Address Each One
Sleepless nights can be more than just an occasional inconvenience—they often come with exhaustion, frustration, and confusion about why nothing seems to help. If you’ve (or your patients have) tried…
Biohacking Your UV Defense: How Antioxidants Optimize Your SPF
Protecting your skin from UV radiation isn’t just about minimizing sunburns—it’s about slowing a significant accelerant of biological aging that triggers oxidative stress, immune suppression, and cellular senescence. While traditional…
How to Start and Grow Your Practice (for Clinicians, not MBAs!)
Starting and growing an integrative medical practice is a transformative journey that requires careful planning, commitment, and adaptability. Often, integrative and functional medicine providers are great clinicians when it comes…
Tracking HRV: Is it Worth It?
By the end of my book tour in 2022—one of the most amazing but intense experiences of my life—you could scrape me off the floor. (Who knew? I certainly didn’t…
Is Mitochondria-Targeting the Best New Strategy for Longevity?
Mitochondria are crucial for life, and increasingly research is finding that they hold the key to better aging and longevity, as a critical hallmark of aging. While optimising mitochondrial health…
Research & News RoundUp – January 2025
This month: Yes, yes, yes: intensive lifestyle interventions (4 papers); omega-3 fatty acids and exercise all WORK on preventing and/or reversing cognitive impairment, including in those with genetic risk (including…
Glow & Thrive Longevity Mocktail
Sip Your Way to Health: The Glow & Thrive Mocktail Recipe for Longevity The New Year is a time for fresh starts, thoughtful intentions, and celebrations with loved…
A Year of Legends: Best of 2024 at Dr. Kara Fitzgerald
Happy holidays everyone! As you enjoy the festive season, I wanted to take a moment to share with you below some of the highlights from this past year here at…
PODCASTS - New Frontiers in Functional Medicine
Each month, I interview the best minds in Functional Medicine. Expect thought-provoking ideas, new research, lots of clinical pearls for practitioners and step-change information for consumers and patients. I hope you join us. Don’t hesitate to email me with ideas for future podcasts.
Legal Pitfalls That Could Destroy Your Practice & How to Avoid Them
In many ways, the legal side of functional medicine can feel like the Wild West—uncertain, unregulated, and full of risks. The reality is, we all want to have our practices…
Why You’re Aging Faster Than You Think & How to Slow It
I’ve been looking forward to sharing this conversation with you because it’s one I’m truly passionate about. Today, we’re diving into the DunedinPACE epigenetic clock with one of its creators,…
What New Research Says About Cartilage Regeneration and Joint Longevity
Osteoarthritis affects millions—chronic pain, limited mobility, and a dramatically reduced quality of life. But what if the answer isn’t just about treating the joint, but the inflammation driving the damage?…
The Truth About Chronic Illness: How to Reset Your Nervous System & Slow Aging
We’ve all had patients struggling with chronic conditions like long COVID, fibromyalgia, Lyme disease, and chronic fatigue. Despite all the tools in our functional medicine toolkit, there’s still something missing.…
Hidden Mitochondria Problems Are Accelerating Your Age & Draining Your Health
What if the key to reversing chronic disease, slowing cognitive decline, and boosting energy lies in the tiny powerhouses inside your cells—and we’ve finally found a way to protect them?…
p-Tau 217: The Breakthrough Biomarker Revolutionizing Early Alzheimer’s Detection
Join me for a fascinating conversation around an exciting breakthrough in dementia detection that’s offering real hope for early intervention. Dr. Hans Frykman, Chief Scientific Officer at Neurocode Laboratories, is…
Cutting-Edge Metabolomic Testing for IBS, Longevity, and Metabolic Health
We’re witnessing an exciting shift in how we understand gut health and disease—and it’s all thanks to the powerful metabolites produced by the microbiome, like short-chain fatty acids (SCFAs) and…
A Fresh Take on Exposomics: Resiliency Factors That Offset Environmental Risks
In this episode, we’re diving into exposomics—one of the most cutting-edge fields in environmental medicine. We in the functional medicine space have long embraced this approach that focuses on the…
This GLP-1-Supporting Probiotic Is A Constant In Our Longevity Stack
Join me and Dr. Colleen Cutcliffe, my brilliant friend, scientist, and the powerhouse CEO of Pendulum, for our deepest dive yet into all things Akkermansia. This free-flowing conversation will take…
Healing Depression Project: Providing Hope For Treatment-Resistant Patients
For many struggling with depression, the message they often hear from traditional care is “just live with it” or “there’s nothing more we can do.” In today’s episode, we’re challenging…
NAD+ in the Spotlight: New Insights on Boosting Cellular Resilience
I’m really excited about this one—Dr. Greg Kelly is back with us, and we’re diving deep into NAD, a molecule that’s finally getting the attention it deserves. If you’ve heard…
The Podcast After the Podcast: More on Age Reversal with Dr. Greg Fahy
I was thrilled to finally sit down with Dr. Greg Fahy, whose groundbreaking work in aging has truly reshaped our understanding of what’s possible. His 2019 TRIIM study, showing clear…
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Clinic Team
Dr. Fitzgerald received her doctorate of naturopathic medicine from National College of Natural Medicine in Portland, Oregon.
Kenneth A. Litwin, MD FACP IFMCP, is a highly respected, board-certified Internal Medicine and Functional Medicine physician.
Darisa Espinal, ND, MS, received her doctorate in Naturopathic Medicine at the University of Bridgeport. She earned her BS in…
Dr. Kirsten P. FitzGerald, DNP, FNP-BC Family Nurse Practitioner Dr. Kirsten P. FitzGerald is a board-certified Family Nurse Practitioner with…
Melissa Parker, MS CNS CDN, is a Certified Nutrition Specialist. During a decade-long career in the fashion industry she completed…
Miranda Kusi, MS CNS CDN, is a Certified Nutrition Specialist with a MS degree in Human Nutrition from the University…
Recipes
Bitter Melon with Eggs Recipe
I was blown away to learn that bitter melon, a primary component of the Okinawan diet and a common ingredient in many East Asian recipes, contains approximately 964 mg polyphenols…
Polyphenol-rich Winter Oatmeal
We love this combination of creamy oats, sweet apples, and warming spices for a fall or winter breakfast. It also works with peaches instead of apples! Oats are rich…
Glow & Thrive Longevity Mocktail
Sip Your Way to Health: The Glow & Thrive Mocktail Recipe for Longevity The New Year is a time for fresh starts, thoughtful intentions, and celebrations with loved…
Hearty Autumn Vegetable Soup with Epinutrients
Nourishing Autumn Vegetable Soup for Longevity As the crisp October air begins to settle in, it’s the perfect time to cozy up with a warm bowl of Hearty Autumn Vegetable…
Dairy-Free Creamy Pumpkin and Sage Risotto with Epinutrient Focus
As October brings a chill to the air, there’s nothing better than a comforting, creamy dish to warm you up. This Dairy-Free Creamy Pumpkin and Sage Risotto delivers all…
Younger You Autumn Salad with Citrus-Herb Dressing
This vibrant fall salad is packed with methylation-supporting nutrients, featuring a variety of colorful vegetables, healthy fats, and fresh herbs. The ingredients are carefully chosen to provide a balance…
Functional Fudge Cake
Functional Fudge Cake Functional Fudge Cake Servings Prep Time Cook Time 12servings 10minutes 45minutes Servings Prep Time 12servings 10minutes Cook Time 45minutes Course Dessert Ingredients 12 tbsp. ghee approximately 3/4…
Gluten-Free Yeast-Free Quick Bread
This quick gluten-free, yeast-free bread recipe requires very little effort and is a pleasantly tasty surprise. Plus it’s main ingredient – sunflower seeds – are a Younger You longevity superfood.…
Creamy Garlicky Chicken With Cauliflower Rice
This is a great, family-friendly weeknight meal – the sauce melds with the cauliflower rice in a way that even picky eaters shouldn’t care that it’s not actual rice. Or,…
Longevity Rainbow Salad with Salmon
This is a quick and simple way to get in a large amount of your epinutrient-rich foods for the day and is my go-to breakfast and lunch combo. You can…
Tomato Cauliflower Rice
If you’re short on time, this is the perfect dish to prepare in advance to enjoy with your favorite protein for an easy and quick lunch or dinner. The recipe…
Exercise Recovery Smoothie
After exercise, food sources of antioxidants (in other words, all the ingredients in this recipe) are fabulously regenerative for the body. This recipe is also chock-full of electrolytes (such…