Ben Greenfield Fitness: Diet, Fat Loss And Performance

Full Show Notes: bengreenfieldlife.com/498 In this solosode I kick off by talking about whether isometric training is worth your time, covering both my own fitness habits and the newest research, particularly for runners and joint health. I also unpack a buzzworthy study on how just 10 minutes of vigorous exercise daily can be a powerful longevity booster compared to longer, lighter workouts. I share why I no longer personally use metformin, and instead, offer my favorite natural alternatives for better blood sugar control—like berberine, fiber, cinnamon, and simple routines like salads and walks. Plus, I get into brain health, explaining the roles of ketones, methylene blue, and near-infrared light for cognitive performance and protecting against issues like Alzheimer’s. At the end, I answer listener questions on optimizing DHT levels, natural insulin-sensitizers, and keeping your hair healthy even if you’re on testosterone. If you’re interested in practical strategies and learni

Full Show Notes:  bengreenfieldlife.com/younggoose2026 In this episode, I’m joined by Amitay Eshel—the “engineer of beauty”—as we unlock the science behind glowing, healthy skin. We cover breakthrough topics like how your skin produces real light, how mitochondrial health impacts skin radiance, and the secrets to reversing aging using topical methylene blue (without staining!), NAD boosters, and platelet-derived exosomes. Learn my three-step protocol to support skin vitality: boosting mitochondrial function, using powerful stimuli like red light therapy and enzymatic scrubs, and guiding repair with advanced biologics. Plus, discover real solutions for bags under the eyes, cellulite, wrinkles, and scars. If you’re ready to biohack your skincare routine and elevate your confidence, dive in! For show notes, product links, and more, visit BenGreenfieldLife.com. Subscribe for potent tips and insights to help you look and feel your best! Amitay Eshel is Co-Founder of Young G

Being Boundless vs. Being “Broken” Why you should accept that you are broken and how that changes everything about the way you pursue health. Episode Summary In this episode, you learn about my lifelong obsession with perfection nearly ruined my ability to enjoy anything—sports, relationships, and even the pursuit of health itself. From golden child syndrome to slowly dropping out of sports I couldn't podium in, to the pain of losing my father, I lay it all out. This episode explains why none of the biohacking matters if you can't first accept that you're broken and find happiness in the journey anyway. Question of the Day

Full Show Notes: BenGreenfieldLife.com/supplementsdebate Are supplements truly enhancing your health, or are they just hijacking it? In this episode, I bring together two leaders in the health and wellness space—Dr. Jeffrey Bland, known as the founder of functional medicine, and Robyn Openshaw, nutrition researcher and author of “Take Daily: How Supplements Hijack Your Health”—for an honest and eye-opening debate. We dive deep into controversial topics like the real story behind vitamin C and D supplements, why fish oil and protein powders might contain more than you bargained for, and how industrial processing could affect the purity of your favorite health boosters. If you’ve ever wondered whether your supplement stack is really serving you or possibly doing more harm than good, this episode is a must-listen. Join me as we explore practical tips for smarter, safer health choices. Episode Sponsors:  Truvaga: Balance your nervous system naturally with Truvaga's vagus nerve s

Full Show Notes: bengreenfieldlife.com/ohmpodcast In this episode, I welcome back my former podcast sidekick, Dr. Jay Wiles—a leading performance psychologist and expert in nervous system optimization. Together, we dive deep into the science of resonance breathing, unpacking how this surprisingly simple practice can dramatically improve your heart rate variability, stress resilience, emotional well-being, and sleep quality.  We also get hands-on with the cutting-edge Ohm lamp, an innovative technology Jay helped develop that personalizes resonance breathing sessions using high-fidelity HRV data gathered right from your palm. Whether you're an elite athlete looking for a mental edge or just hoping to enhance your day-to-day health, this conversation is packed with actionable tips, real-world anecdotes, and a peek into the future of nervous system biohacking.  Dr. Jay Wiles - who you may remember if you're a long time podcast listener as my witty sidekick on old Ben Greenfield Life podcast episo

A morning-to-bedtime blueprint for living more like your ancestors without a hyperbaric chamber, a hippie grocery bill, or a single scoop of overpriced supplement powder. Episode Summary In this final part of my 4-part “Ancestral Mismatch” series, I walk you through a complete sample day that ties together everything we've covered—hormesis, environment, and nutrition—into one practical, affordable routine.  From throwing open your curtains at sunrise to donning a $20 red light headlamp at bedtime, I show you exactly how simple (and cheap) it is to align your modern life with your ancestral biology. No hyperbaric chambers, no organic coffee enemas, no umbilical cord stem cell infusions. Just the basics done right. For your convenience, here are parts 1–3 of this series on fighting the “ancestral mismatch” and the uphill battle against living in a toxic, modern, industrialized world: Are We Just Modern Zoo Animals? The Ancestral Mismatch (Part 1) Are We Just Moder

Full Show Notes: bengreenfieldlife.com/hungercode On this episode, I got to geek out with Dr. Jason Fung and unravel why calorie counting alone doesn’t explain our weight struggles. Dr. Fung used jaw-dropping stats—like nearly identical calorie consumption between nations with wildly different obesity rates—to illustrate how hormones, digestion, and even the microbiome play a much bigger role than just numbers.  We also broke down the three types of hunger—homeostatic, hedonic, and conditioned—and explored how ultra-processed foods hijack our biology. Dr. Fung shared that ditching those foods is his top strategy for conquering hunger, while I revealed how staying busy and using GLP-1s can help curb appetite during fasting or travel.  Dr. Jason Fung is a physician (kidney specialist), researcher and New York Times best-selling author currently practicing in Toronto, Canada. trained in Los Angeles and Toronto and currently practices as a nephrologist (kidney specialist).

Full Show Notes:  BenGreenfieldLife.com/sunlightenpodcast This episode is all about clearing up confusion and bringing practical advice to the world of sauna use. I brought on Connie Zack, who co-founded one of the most highly regarded infrared sauna companies, to help break down the research, technology, and best practices. We discussed questions like how hot a sauna needs to get, whether the latest gadgets and red lights are worthwhile, the real science behind detox and heat stress, and even tips for making sauna routines fit anyone’s lifestyle—whether you’re a hardcore athlete or just want to relax and recover.  Connie Zack is the co-founder of Sunlighten, the global leader in infrared sauna and light therapy and the creator of the full-spectrum, low EMF infrared sauna I use. Inspired by her brother's health transformation, she and her husband, Aaron, left successful pharmaceutical careers to revolutionize the industry with science-backed innovations.  Connie is a pioneer i

Discover why cotton candy can beat a corn dog, how the perimeter-of-the-store hack simplifies everything, and what it really looks like to eat like your great-grandparents. Episode Summary In part 3 of the “Ancestral Mismatch” series, Ben Greenfield delivers three no-nonsense dietary strategies that anyone can implement without breaking the bank or setting foot in an overpriced health food store. You'll learn why fried seed oils are more damaging than sugar (and why Ben would choose cotton candy over a corn dog every time), how to avoid ultra-processed foods by shopping the perimeter of any grocery store, and why sourcing your food matters for your health, animal welfare, and the planet. Ben even drops his go-to travel grocery list that works at any supermarket on Earth. Question of the Day

Full Show Notes: bengreenfieldlife.com/drandrew2 In this episode, Dr. Andrew Koutnik returns for part 2 of our deep dive into metabolism and nutrition. We explore why you need far fewer carbohydrates than you think—both during daily life and intense exercise—and how sustained blood glucose levels for brain energy metabolism matter more than muscle glycogen stores. Andrew breaks down the different types of exogenous ketones, debunks liver toxicity concerns, and shares groundbreaking research on ketones for sleep quality and sleep apnea treatment from his NASA astronaut studies. Dr. Andrew Koutnik is a research scientist whose career bridges cutting-edge science, elite performance, and personal experience living with type 1 diabetes for over 17 years. His work focuses on how nutrition, metabolism, and lifestyle can be leveraged to maximize human health, performance, and resilience across diverse conditions—from chronic disease to extreme environments. Episode Sponsors: ZBiotics Pre-Alcohol Pro

Full Show Notes:  bengreenfieldlife.com/497 Welcome to another solo episode. This week I kick things off sharing my most effective hair health strategies, from nutrition and hormones to unique tools like derma rolling, red light therapy, and even topical caffeine—plus, why genetics aren’t your whole hair story.  I break down a fascinating new study showing how magnesium holds the key to actually making your vitamin D work for you. I reveal why the length and intensity of your walking sessions matter more than you think, and how longer walking bouts can trump simply chasing that 10,000-step goal.  I also revisit a forgotten but powerful heart-protective hack—adding pomegranate juice to your routine to help reduce arterial plaque and lower your blood pressure. To top it off, I share my wildest recent experiment: getting infusions of young human plasma in the name of anti-aging, breaking down the science of why it works and what I noticed firsthand. Episode Sponsors: Just Th

*The air you breathe, the light you see, and the water you drink have all been quietly sabotaged by modern life—here's how to fight back without ripping your house apart.* Episode Summary In this episode, we shift from last week's hormesis deep-dive to the second weapon in your ancestral mismatch arsenal: your environment. You'll discover how degraded air quality, flickering LED lights, contaminated water, and invisible EMFs are silently wrecking your sleep, fogging your brain, and loading you with toxins—then get a practical, budget-friendly environmental audit you can start this weekend. Question of the Day

Full Shownotes: BenGreenfieldLife.com/bluelighttruth  In this episode, Matt Maruca, CEO and co-founder of Ra Optics, dives deep into the science and practical realities of blue light, circadian health, and optimizing your environment for better sleep and longevity. We tackle the nuances of blue light exposure from sunlight versus artificial sources, break down how proper blue light-blocking glasses can support melatonin production and overall wellness, and bust common myths—including those from recent documentaries and reviews. Along the way, Matt shares updates on the latest lens technology, why not all blue blockers are created equal, and the future of lighting and color therapy for health. Matt Maruca is the founder & CEO of Ra Optics, the leader in premium blue light protection eyewear. Matt founded Ra Optics after a decade-long journey to improve his own chronic health issues as a child and teenager. As he looked further, he came across the science of mitochondria, circadian rhythms,

Episode Full Show Notes: https:/bengreenfieldlife.com/optimizedliving In this special "Best Of" episode, I pulled together some of the most impactful conversations to help you kickstart your boundless life. If you’re feeling stuck, battling brain fog, chronic fatigue, or just know that you’re capable of more, this episode is your reset button. I’ve pulled together the most actionable, powerful conversations with multiple experts from the past year to give you a true roadmap to kicking off your boundless life. You’ll hear from Dr. Trish Leigh on how porn rewires your dopamine system and how to reclaim your focus, Leela Centner on detoxing practices ranging from grounding and rebounding to colonics, and Sharad Baid breaking down practical biohacks you can use all around the world. We’ll also dive into cold exposure versus cryotherapy with Maria Ensabella. Whether you listen start to finish or jump to the section that speaks to you most, you’ll find actionable tips to optimize

Why Comfort is Slowly Killing You—And the Ancient Mismatch Making You Sick How modern life has turned us into zoo animals—and the simple stress strategy our ancestors used to stay strong, lean, and disease-free. Over the past five weeks, I’ve given you my perspective on the biohacking and longevity scene. I’ve noted the emptiness and time-wasting that can result from the vain pursuit of immortality so often seen in the “advanced” health optimization world (if you missed any of my articles, you can read them here). Episode Summary In this episode, I dive into why chasing biohacking gadgets and anti-aging protocols misses the bigger picture: we're living in an environment our biology was never designed for. I'll reveal the concept of "ancestral mismatch"—how our caveman bodies struggle in our temperature-controlled, food-abundant, movement-starved modern world—and show you how strategic doses of discomfort (hormetic stress) can reverse chronic disease. This isn't

Full Show Notes: bengreenfieldlife.com/lnkyal/ In this episode, you'll get to discover the fascinating realm of revolutionary peptides with two-time guest, Kyal Van Der Leest — a distinguished naturopath, nutritionist, supplement formulator, and the founder of LVLUP Health (use code BEN10 to save 10%). Discover how these powerful compounds can rapidly repair tissues, elevate your energy by boosting NAD levels, sharpen your mind, and even naturally enhance sexual health, offering alternatives to medications like Viagra. Kyal Van Der Leest is the founder, formulator, and face of LVLUP Health, an Australian-based supplement company. Under his guidance, LVLUP Health (use code BEN10 to save 10%) has created a diverse range of cutting-edge supplements utilizing incredibly powerful ingredients that you may not have heard of before. His formulations aim to simplify complex health protocols, reducing the need for multiple products by offering all-in-one solutions that make supplementation easy and effective. Epi

Full Show Notes: bengreenfieldlife.com/lnraw12 In this episode, I pull back the curtain on one of the single most powerful tools in my daily performance and recovery toolkit: Non-Sleep Deep Rest (NSDR) and its close cousin, Yoga Nidra. If you’ve ever found yourself burning the candle at both ends—waking up at 4:30 AM to fit in work, workouts, and family life—yet still trying to show up at your best, this is for you. I cover common myths around short sleep, explain why even “powered-through” fatigue adds up, and illustrate why most of us can’t cheat biology by running on six hours forever. You’ll get an honest play-by-play: what actually works for rebooting your system after a short night, the real science behind NSDR (think: brainwave states, nervous system regulation, and hormone balancing), and the exact guided meditations, apps, tech (like Sensate, or BrainTap), and routines to supercharge midday recovery. Episode Sponsors:  Organifi Shilajit Gummies: Harness

Full Show Notes: https://bengreenfieldlife.com/austinplasma/ In today's eye-opening episode with repeat guest, Dr. Khanh Nguyen, the founder of Austin Regenerative Therapy, you'll take a deep dive into the world of cutting-edge regenerative medicine. After spending three intense days undergoing her advanced protocols—from full-body regenerative therapies to some of the most boundary-pushing treatments I’ve ever experienced—you’re about to get an inside look at what’s really possible when modern science meets whole-body healing. Dr. Nguyen brings decades of internal medicine experience to the table, along with an inspiring personal story. As a refugee from Vietnam who arrived in the U.S. in 1982, her journey to becoming a leader in regenerative health is one of grit, compassion, and relentless curiosity. Episode Sponsors: JoyMode: Want to spice things up in the bedroom and boost your sexual performance? And do it naturally without nasty prescription drugs? We have a special offer

Full Show Notes: bengreenfieldlife.com/foreverstrong Dr. Gabrielle Lyon is an accomplished physician and the New York Times bestselling author of  FOREVER STRONG: A New, Science-Based Strategy for Aging Well and author of the just released , The Forever Strong PLAYBOOK. Her groundbreaking Muscle-Centric Medicine® approach places muscle at the center of disease prevention, metabolic health, and true vitality. And while she works with and trains elite athletes, military operatives, and public figures, she's equally focused on building strength and resilience at home, raising two young children while actively living her philosophy with her husband, a retired Navy SEAL. Episode Sponsors: Formula IQ: Recuperate IQ by Formula IQ is a comprehensive copper supplement designed to support mitochondrial energy, iron balance, and metabolic health by pairing bioavailable copper with essential cofactors your body needs for proper utilization, which is especially crucial if you've been under chr

Full Show Notes: bengreenfieldlife.com/496 In this episode, I share my personal experiences with advanced medical therapies in Austin and answer your questions about hydrogen for health, including the science behind it and practical ways to use it—from tablets to inhalation and baths. I also give advice on how to find a trustworthy hormone doctor, what credentials to look for, and recommend a few experts and clinics that I actually trust, based on my wife’s HRT journey. On the research front, I break down whether alcohol is really that harmful (it’s often overblown if you’re healthy and moderate) and highlight new findings that chronic cannabis use can mess with your memory and processing. I offer perspective on the melatonin-heart health headlines (don’t panic if you use it sensibly) and explain why microplastics fears might be overhyped. Episode Sponsors: Timeline: Give your cells new life with high-performance products powered by Mitopure, Timeline's powerful ingredient that u