New Frontiers in Functional Medicine

Dr. Kara Fitzgerald

Welcome to New Frontiers in Functional Medicine™.…

  • 47 minutes 27 seconds
    Dead Mitochondria Might Be Fueling Cardiovascular Aging — Here’s The Fix
    This is a really exciting conversation with Dr. Davide D’Amico from Timeline, where we’re taking a closer look at Urolithin A and heart health. It should come as no surprise that this mitochondrial wonderkin of a nutrient is showing promise here—especially when you consider that 40% of the heart’s weight is mitochondria. That’s an extraordinary factoid, and one that really shifts how we think about aging in the cardiovascular system. What’s particularly compelling in this new preclinical research is that restoring mitochondrial function may do more than just improve ejection fraction. It may also have ripple effects on other hallmarks of aging—like chronic inflammation, cellular stress signaling, and impaired autophagy. I’m thrilled Timeline is continuing to invest in both preclinical and clinical research on this front—and yes, I’m totally nerding out over what they’re up to. ~DrK Check out the show notes at https://www.drkarafitzgerald.com/fxmed-podcast/ for the full list of links and resources.

    GUEST DETAILS Davide D'Amico, PhD: Director of Discovery and Translational Research at Timeline.

    With over 15 years of experience in mitochondrial and aging biology, he contributed to developing Urolithin A as a science-backed, clinically validated nutritional product to enhance mitochondrial and muscle health.

    THANKS TO OUR SPONSOR Timeline: http://Timeline.com/kara10

    Email: [email protected]

    EXCLUSIVE OFFER FOR NEW FRONTIERS LISTENERS

    Mitopure is making impressive strides for cellular health and longevity. Get 10% off your first order at http://Timeline.com/kara10 with code Kara10.

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    Better Broths and Healing Tonics book: https://tinyurl.com/3644mrfw

    8 July 2025, 12:00 am
  • 1 hour 11 minutes
    Why Human-Centered AI Is the Future of Medicine & Mental Wellness
    This episode is a little different from what we usually cover on New Frontiers, but it’s one I couldn’t wait to bring to you. I’ve been thinking a lot about how we—as clinicians—are supposed to keep up in this era of high-throughput technology. We’re swimming in data: labs, multi-omics, diet logs… and an ever-growing stream from wearables. There’s just so much coming at us, and too often, we’re awash in a sea of information without adequate interpretive power. That’s why this conversation with Dr. Rana el Kaliouby felt so important. She’s not just an AI scientist—she’s a visionary and a total badass. She’s building technology that doesn’t just process data, but actually helps us become better clinicians and better humans. We get into the ethics, the potential, the parenting implications—and yes, a personal story about a tragedy in my own hometown that made this all hit very close to home. This one’s powerful, and I hope it sparks the same questions and inspiration for you as it did for me. ~DrKF TRIGGER WARNING

    This episode touches on sensitive topics, including gun violence and suicide, in the context of empathy, mental health, and technology. If you or someone you know is struggling, please seek help. We share this with care and hope it offers support and perspective.

    Check out the show notes at https://www.drkarafitzgerald.com/fxmed-podcast/ for the full list of links and resources.

    GUEST DETAILS Dr. Rana el Kaliouby: http://www.ranaelkaliouby.com

    Managing Partner, Blue Tulip Ventures: http://www.bluetulip.vc

    Host, Pioneers of AI Podcast: https://www.pioneersof.ai/

    Author of Girl Decoded

    Dr. Rana el Kaliouby is an Egyptian-American AI scientist, entrepreneur and investor. She is co-founder and Managing Partner of Blue Tulip Ventures, where she invests in startups building Human-Centric AI, and host of the Pioneers of AI podcast. Prior to that, Rana founded her company Affectiva out of MIT, where she pioneered the field of Emotion AI, and successfully exited the company in 2021. She holds a Ph.D. from the University of Cambridge and a Post Doctorate from MIT.

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    24 June 2025, 12:00 am
  • 1 hour 25 seconds
    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 legally buttoned up, but navigating the legal landscape can feel overwhelming—and expensive. What Scott Rattigan, creator of Functional Lawyer, shares in this episode is a real game-changer. He not only breaks down the complexities of the legal side of things but also offers real solutions for us—solutions that can make sure we're covered without the stress and uncertainty that often comes with it. Whether you're just starting out or growing your established practice, you're going to get actionable insights on how to avoid common legal pitfalls, protect your practice, and actually move forward with confidence. It’s a topic that’s been an unmet need for so long, and I'm so excited to bring this to you. ~DrKF Check out the show notes at https://www.drkarafitzgerald.com/fxmed-podcast/ for the full list of links and resources.

    EXCLUSIVE OFFER FOR NEW FRONTIERS LISTENERS

    Download 5 Essential Legal Documents for Every Functional or Integrative Medicine Practice: https://www.functionallawyer.com/resource-downloads

    GUEST DETAILS

    Scott Rattigan, JD

    Founder: Functional Lawyer: https://www.functionallawyer.com/kf

    Co-founder: Origins Incubator - https://www.originsincubator.com/

    The Junto Podcast Playlist: https://fxmedlaw.com/junto-youtube

    LinkedIn: https://www.linkedin.com/in/scott-rattigan/

    Email: [email protected]

    Phone: 941-229-0928

    Scott Rattigan, JD, is the founder of Functional Lawyer, offering flat-rate legal solutions to help practitioners protect their licenses and grow their businesses. Inspired by helping his wife build her functional medicine practice, Scott provides high-quality legal support for health coaches, doctors, and more. He’s an attorney, internationally recognized speaker, host of The Junto with Scott Rattigan, bestselling author of The Practice of Telemedicine, and co-founder of the practice success software ReveliaDx.

    THANKS TO OUR SPONSOR Functional Lawyer: https://www.functionallawyer.com/kf

    CONNECT with DrKF

    Want more? Join our newsletter here: https://www.drkarafitzgerald.com/newsletter/ Or take our pop quiz and test your BioAge! https://www.drkarafitzgerald.com/bioagequiz

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    Younger You book: https://tinyurl.com/mr4d9tym

    Better Broths and Healing Tonics book: https://tinyurl.com/3644mrfw

    9 June 2025, 12:00 am
  • 1 hour 11 minutes
    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, the brilliant Dan Belsky. It’s a tool I use regularly with my patients, and one that’s transforming how we approach aging and interventions. While this show is a bit more technical than usual, the science is fascinating, and the real-world applications are incredibly valuable. This isn’t just about theory—it’s about practical insights that can change how we measure aging and track the effectiveness of the treatments we offer. Stick with us, and you’ll walk away with actionable knowledge that can make a difference in your practice. ~DrKF Check out the show notes at https://www.drkarafitzgerald.com/fxmed-podcast/ for the full list of links and resources.

    GUEST DETAILS Daniel W Belsky, PhD

    Website: www.belskylab.com

    THANKS TO OUR SPONSORS

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    Biotics Research: https://www.bioticsresearch.com/ GOLD TimeLine Nutrition: https://tinyurl.com/bdzx2xms Vibrant Wellness: https://www.vibrant-wellness.com/

    EXCLUSIVE OFFERS FROM OUR SPONSORS

    OneSkin: Get 15% off OneSkin with the code DRKARA at https://www.oneskin.co/DRKARA

    Why MitoQ’s mitochondria-targeting is a critical step for your healthspan and longevity strategy. https://www.mitoq.com/drkara

    CONNECT with DrKF

    Want more? Join our newsletter here: https://www.drkarafitzgerald.com/newsletter/ Or take our pop quiz and test your BioAge! https://www.drkarafitzgerald.com/bioagequiz

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    Younger You book: https://tinyurl.com/mr4d9tym

    Better Broths and Healing Tonics book: https://tinyurl.com/3644mrfw

    20 May 2025, 12:00 am
  • 1 hour 6 minutes
    What New Research Says About Cartilage Regeneration and Joint Longevity
    What if a human trial of over 1200 patients showed improved mobility and reduced pain in osteoarthritis (OA) patients using a natural combination of boswellia and celery seed extract? What if a second follow-up randomized, placebo-controlled human trial found that within 90 days, this same combination increased OA patients' ability to perform a walk test by over 50%, reduced markers of cartilage degeneration by half and increased markers of cartilage regeneration by half. This is what the research team at Calroy Health Sciences have discovered, putting a tremendous amount of work and financing into studying the effects of the uniquely-developed Cartigenix-HP. Not only that, increased joint space at the end of the trial was clearly visible via radiography, and 90% of the intervention group did not need any "rescue" pharmaceutical medication at the end of the 90 day period (compared with only 20% of the placebo group) and this effect was sustained beyond the end of the trial. I have to say, I am impressed and excited about the potential for this new product to help my patients and I am thinking about other applications like OA prevention and osteoporosis! Listen in to find out more. ~ DrKF Check out the show notes at https://www.drkarafitzgerald.com/fxmed-podcast/ for the full list of links and resources.

    GUEST DETAILS Kiran Krishnan, Microbiologist

    Kiran Krishnan is a research microbiologist and a health and wellness expert who aims to make complex information understandable to all. He has founded a number of successful health and supplement companies over the last 20 years including co-founding and leading Microbiome Labs, the preeminent, microbiome therapeutics focused brand among healthcare professionals. He is currently a co-founder and partner in 3 other companies that aim to revolutionize wellness care and an advisor to Calroy Health Sciences. He has conducted and published several research studies in scientific journals, has published chapters in scientific textbooks/references books, has global patents and is a sought after speaker on human health and the microbiome.

    THANKS TO OUR SPONSOR Go to Calroy.com/drkf for exclusive resources and discounts on Cartigenix HP.

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    Want more? Join our newsletter here: https://www.drkarafitzgerald.com/newsletter/ Or take our pop quiz and test your BioAge! https://www.drkarafitzgerald.com/bioagequiz

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    5 May 2025, 12:00 am
  • 1 hour 6 minutes
    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. How can we truly help them? I’m excited to have Ashok Gupta back on the New Frontiers podcast to offer a new take on healing from chronic illness. He explains that many chronic diseases stem from a malfunction in the brain's threat detection system, where the body overreacts to perceived threats, triggering immune, nervous system, or mood responses, creating a vicious cycle. Ashok shares how retraining the brain and calming the nervous system can reset the body’s response to chronic stress and presents the growing body of research supporting the Gupta Program, including new subjective measurements like CRP showing its impact. What excites me most is the potential for this approach to help some of my toughest-to-treat patients. With more studies emerging, I’m increasingly hopeful this could be a game-changer. It’s a conversation you won’t want to miss! ~DrKF Check out the show notes at https://tinyurl.com/2t55s3y3 for the full list of links and resources. Complimentary Gupta Program Brain Retraining Subscription If you are a practicing clinician with patients who suffer from an inflammatory condition, you are entitled to free access to one of the world's foremost neuroplasticity programs, and the only one with independent randomized controlled trial data. To benefit, please visit https://www.guptaprogram.com/health

    GUEST DETAILS

    Ashok Gupta Email: [email protected] https://guptaprogram.com/ Ashok Gupta is an internationally recognized speaker, filmmaker, and health practitioner who specializes in supporting individuals with chronic illness. After overcoming ME (Chronic Fatigue Syndrome) through his own neuroplasticity research, Ashok developed the Gupta Program in 2007 to help others recover. He has published several medical papers and continues to research chronic conditions, with recent studies demonstrating the effectiveness of the Gupta Program. Ashok is dedicated to advancing holistic approaches to healing and improving outcomes for those facing chronic illness.

    THANKS TO OUR SPONSORS

    DIAMOND

    DUTCH: https://dutchtest.com/for-providers Biotics Research: https://www.bioticsresearch.com/ GOLD TimeLine Nutrition: https://tinyurl.com/bdzx2xms Vibrant Wellness: https://www.vibrant-wellness.com/ EXCLUSIVE OFFERS FROM OUR SPONSORS OneSkin: Get 15% off OneSkin with the code DRKARA at oneskin.co/DRKARA

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    CONNECT with DrKF

    Want more? Join our newsletter here: https://www.drkarafitzgerald.com/newsletter/ Or take our pop quiz and test your BioAge! https://www.drkarafitzgerald.com/bioagequiz

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    Better Broths and Healing Tonics book: https://tinyurl.com/3644mrfw

    21 April 2025, 12:00 am
  • 1 hour 12 minutes
    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? We know mitochondria power our cells, but did you know they also create oxidative stress as they generate energy? Protecting mitochondrial health is critical—but most antioxidants can't reach inside the mitochondria where protection is needed most—until now. MitoQ, a scientifically advanced, mitochondria-targeted antioxidant developed by visionary researchers in New Zealand penetrates mitochondria up to 90%, offering protection where it's needed most. In this episode with Dr. Siobhan Mitchell, we dive into how MitoQ is transforming the way we tackle chronic disease, inflammation, and cognitive decline. From improving heart health to supporting brain function, MitoQ is changing the game. It’s something I’m using personally and recommending to most of my patients. Listen in to discover how this powerful tool can help you support your patients at the cellular level—before symptoms even appear. ~DrKF

    Check out the show notes at https://tinyurl.com/2t55s3y3 for the full list of links and resources.

    8 April 2025, 12:00 am
  • 1 hour 7 minutes
    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 here to share groundbreaking insights into cutting-edge biomarkers that can identify pathology associated with Alzheimer's disease before symptoms even appear. What’s even more fascinating is how these same tools are revealing neuroinflammation caused by infections, including COVID, Lyme disease, and mold exposure—issues that are incredibly relevant in functional medicine today. The assays Dr. Frykman and his team have developed, and continue to research, are transforming the way we think about diagnosing and addressing neurodegeneration. We’re talking about a potential game-changer that allows us to intervene earlier, reverse damage, and ultimately improve the trajectory of these conditions. This is an extraordinary time in science and medicine, and the work we’re discussing today is at the forefront of it all. Don’t miss out on how this could reshape your practice. ~DrKF

    Check out the show notes at https://tinyurl.com/2t55s3y3 for the full list of links and resources.

    GUEST DETAILS

    Dr. Hans Frykman, MD PhD FRCPC [email protected] Hans Frykman MD, Ph.D., FRCPC is the founder, CEO, and medical director of BC Neuroimmunology Lab located in the UBC hospital on the University of BC campus in Vancouver BC. He is the medical director for Lykke Lab a genetics laboratory also on the University of BC campus. Also, he is the CSO for Neurocode Lab Inc. in Bellingham WA, a high-complexity, specialty lab focused on neuroimmunology and biomarkers in neurodegeneration. Dr. Frykman has a clinical faculty position at the University of British Columbia, Faculty of Medicine, Division of Neurology. THANK YOU TO OUR SPONSORS

    DIAMOND

    DUTCH: https://dutchtest.com/for-providers Biotics Research: https://www.bioticsresearch.com/ GOLD TimeLine Nutrition: https://tinyurl.com/bdzx2xms Vibrant Wellness: https://www.vibrant-wellness.com/ EXCLUSIVE OFFERS FROM OUR SPONSORS OneSkin: Get 15% off OneSkin with the code DRKARA at oneskin.co/DRKARA Try Qualia NAD+ for up to 50% off! Visit http://qualialife.com/kara15 and use code KARA15 at checkout for an additional 15% off your entire purchase! Why MitoQ’s mitochondria-targeting is a critical step for your healthspan and longevity strategy. https://tinyurl.com/2b5benmd Want more? CONNECT WITH DrKF Join our newsletter here: https://www.drkarafitzgerald.com/newsletter/ Or take our pop quiz and test your BioAge! https://www.drkarafitzgerald.com/bioagequiz YouTube: https://tinyurl.com/hjpc8daz Instagram: https://www.instagram.com/drkarafitzgerald/ Facebook: https://www.facebook.com/DrKaraFitzgerald/ DrKF Clinic: Patient consults with DrKF physicians including Younger You Concierge: https://tinyurl.com/yx4fjhkb Younger You book: https://tinyurl.com/mr4d9tym Better Broths and Healing Tonics book: https://tinyurl.com/3644mrfw
    20 March 2025, 12:00 am
  • 1 hour 1 minute
    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 secondary bile acids. In today’s episode, Dr. Tom Fabian shares groundbreaking insights into how these postbiotics influence intestinal barrier integrity, immune balance, and even muscle regeneration. These compounds are also connected to key processes like glucose metabolism and healthy aging. What’s truly fascinating is how this science is opening up new frontiers in treating IBS, metabolic conditions, and chronic gut issues. With the upcoming launch of Diagnostic Solution Laboratories’ StoolOMX test, an add-on to the GI-MAP, we now have a tool to measure these metabolites in clinical practice, making personalized and effective treatments more attainable. This is a pivotal moment in functional medicine that you don’t want to miss. ~DrKF FOLLOW ALONG WITH THE CONVERSATION! Get the Updated GI-MAP® Guide with StoolOMX™ Insights! The new GI-MAP® Guide now includes StoolOMX™ insights on bile acids and short-chain fatty acids, enhancing your understanding of IBS, IBD, and gut motility. Refine treatment strategies and optimize patient care with this essential resource. Download now! https://tinyurl.com/5ehysjp7 Check out the show notes at https://tinyurl.com/2t55s3y3 for the full list of links and resources. GUEST DETAILS Thomas Fabian, PhD, CNTP Email: [email protected] Dr. Fabian is a leading expert on the role of the microbiome in health, immune function, chronic disease, and aging. As a translational scientist, his primary focus is on the clinical application of microbiome research in the integrative and functional medicine space. He received his PhD in molecular biology from the University of Colorado, Boulder, and has worked as a biomedical researcher in the biotechnology industry, and more recently, as a consultant in the microbiome testing field. Currently, Dr. Fabian serves a consultant and science advisor with Diagnostic Solutions Laboratory, and he is also a Science Advisory Board member with Designs for Health. In addition, he is certified as a Nutrition Therapy Practitioner by the Nutrition Therapy Institute in Denver. THANKS TO OUR SPONSOR

    Diagnostic Solutions Laboratory: https://www.diagnosticsolutionslab.com/ Phone: 877-485-5336

    CONNECT WITH DrKF Want more? Join our newsletter here: https://www.drkarafitzgerald.com/newsletter/ Or take our pop quiz and test your BioAge! https://www.drkarafitzgerald.com/bioagequiz YouTube: https://tinyurl.com/hjpc8daz Instagram: https://www.instagram.com/drkarafitzgerald/ Facebook: https://www.facebook.com/DrKaraFitzgerald/ DrKF Clinic: Patient consults with DrKF physicians including Younger You Concierge: https://tinyurl.com/yx4fjhkb Younger You book: https://tinyurl.com/mr4d9tym Better Broths and Healing Tonics book: https://tinyurl.com/3644mrfw
    11 March 2025, 12:00 am
  • 1 hour 9 minutes
    A Fresh Take on Exposomics: Resiliency Factors That Offset Environmental Risks
    It’s very difficult (often impossible) to completely avoid many of the environmental toxins that can cause harm - like air pollution and forever chemicals that contaminate our water and food supply. But Drs. Bob and Rosalind Wright at Mount Sinai have a hopeful solution to this dilemma. They are pioneering the study of “resiliency factors,” not just “risk factors,” that can offset the risks of harmful exposures. It’s a fresh and welcome take on exposomics that I am very excited to share with you. For instance - did you know that omega-3 intake during pregnancy can protect against the development of asthma in the child, even if the child is exposed to known risk factors for asthma? Or that positive relationships (ones that create a sensitive, positive, caregiving environment) have been shown to potentially mitigate the effects of environmental toxins? As a practitioner, I am always looking to empower patients with real solutions to the health challenges we inevitably face and I hope you enjoy this conversation as much as I did. ~DrKF Check out the show notes at https://www.drkarafitzgerald.com/fxmed-podcast/ for the full list of links and resources.

    GUEST DETAILS Dr. Rosalind J. Wright, MD, MPH and Robert O. Wright, MD, MPH Icahn School of Medicine at Mount Sinai https://icahn.mssm.edu/

    Dr. O. Robert Wright is the Ethel H. Wise Chair of Environmental Medicine at Mount Sinai and co-founder of the Institute for Exposomic Research. His research links environmental exposures, like those tracked in the PROGRESS cohort, with the developmental origins of diseases. Dr. Rosalind J. Wright is Dean for Public Health at Icahn School of Medicine and Co-Director of the Institute for Climate Change, Environmental Health, and Exposomics. A pioneer in environmental health, she studies how early-life exposures influence chronic diseases and has been NIH-funded for over 23 years. She also mentors the next generation of clinical scientists.

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    Biotics Research: https://www.bioticsresearch.com/ Integrative Therapeutics: https://tinyurl.com/4emwj48z GOLD OneSkin: http://oneskin.co/DRKARA TimeLine Nutrition: https://tinyurl.com/bdzx2xms Vibrant Wellness: https://www.vibrant-wellness.com/

    EXCLUSIVE OFFERS FROM OUR SPONSORS

    Try QUALIA NAD+ for up to 50% off! Visit https://www.qualialife.com/kara15 and use code KARA15 at checkout for an additional 15% off your entire purchase.

    OneSkin: Get 15% off OneSkin with the code DRKARA at oneskin.co/DRKARA

    CONNECT with DrKF

    Want more? Join our newsletter here: https://www.drkarafitzgerald.com/newsletter/ Or take our pop quiz and test your BioAge! https://www.drkarafitzgerald.com/bioagequiz

    YouTube: https://tinyurl.com/hjpc8daz

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    Facebook: https://www.facebook.com/DrKaraFitzgerald/

    DrKF Clinic: Patient consults with DrKF physicians including Younger You Concierge: https://tinyurl.com/yx4fjhkb

    Younger You Group Program: https://tinyurl.com/4hvusavw

    Younger You book: https://tinyurl.com/mr4d9tym

    Better Broths and Healing Tonics book: https://tinyurl.com/3644mrfw

    20 February 2025, 12:00 am
  • 54 minutes 11 seconds
    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 your understanding of this extraordinary strain to a whole new level. We’ll explore Akkermansia’s pivotal role in metabolic health—think cravings, weight regulation, A1C—and why we’re deficient in the first place. Plus, we’ll discuss its connection to stress, anxiety, and even neurodegenerative diseases. We’ll also dive into the hotly debated topic of Akkermansia’s impact on MS, unpacking both sides of the controversy. And, we’ll touch on its promising influence on hormonal balance, from infertility to menopause. As someone who's deeply invested in science, I’m personally bullish on Akkermansia and trust Pendulum’s products as part of my own foundational health stack. With groundbreaking science and fresh insights, this episode will change the way you approach your practice. ~DrKF

    Check out the show notes at https://www.drkarafitzgerald.com/fxmed-podcast/ for the full list of links and resources.

    10 February 2025, 12:00 am
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