Boundless Life

Ben Greenfield
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  • Fitness
  • Updated twice weekly

Free fitness, nutrition, biohacking, fat loss, anti-aging and cutting-edge health advice from BenGreenfieldLife.com! Tune in to the latest research, interviews with exercise, diet and medical professionals, and an entertaining mash-up of ancestral wisdom and modern science, along with Q&A's and mind-body-spirit optimizing content from America's top personal trainer.

  1. 9 hr ago

    The BIGGEST Step You Can Take To Reduce Microplastics, How To Get Rid of Back Pain, What You Need To Know About Heart Scans & More - Solosode #505

    Full show notes: bengreenfieldlife.com/505 In this solosode, you'll get the latest on microplastics, spinal disc health, and what a heart scan sees that a cholesterol panel misses. A new seven-day trial pitted five plastic-avoidance strategies against each other, and the results tell you exactly where to spend your effort if you can't overhaul everything at once. You'll hear which plastic sources matter most and what I now take before bed with BrocElite® (use code BEN for 25% off your first month) to help clear microplastics from tissue. Then I get personal about my back. I'll walk you through my full-body MRI results, which show significant degeneration from L1 to S1, and explain why I still have almost zero back pain, from Dr. Stuart McGill's Big 3 to inversion hanging, the couch stretch, the founder stretch from Foundation Training, and my WALKOLUTION® treadmill desk ($100 off, enter your email for a unique code). You'll also learn why running was the only activity linked to healthier spinal discs in a study of more than 4,000 people, and why none of the sports people assume are hard on your back showed harm. Finally, you'll hear what a coronary CT angiography measures that your cholesterol panel cannot, why a 6,061-person study found plaque volume beats any standard risk calculator, what my own scan revealed, and the surprisingly simple thing that appears highly protective even when your plaque is already elevated. Episode Sponsors: ULTRA: ULTRA is a clean, nicotine-free, caffeine-free pouch that delivers smooth, sustained energy and focus using clinically backed nootropics and adaptogens, with no jitters, crashes, or sleep disruption. Visit takeultra.com and use code BENGREENFIELD for 15% off. Forkful: Forkful delivers chef-cooked, fresh, ready-to-eat meals made with premium ingredients like grass-fed bison and wild-caught salmon, with zero seed oils and no prep or cleanup, ready in under 3 minutes. Visit ForkfulMeals.com and use code BEN50 for 50% off your first order. Quantum Upgrade: Recent research revealed that the Quantum Upgrade was able to increase ATP production by a jaw-dropping 20 to 25% in human cells. Unlock a 15-day free trial with the code BEN15 at quantumupgrade.io. Supzential: More Than a Toothpaste: Created by biological dentist Dr. Dome, it combines highly bioavailable hydroxyapatite, a patented probiotic, xylitol, and lactoferrin to support enamel remineralization and a healthy oral microbiome, with no fluoride, SLS, or titanium dioxide. Visit Supzential.com and use code BEN20 for 20% off your order today. Active Skin Repair: Active Skin Repair uses hypochlorous acid, a molecule your body naturally produces, to support skin repair and defense without harsh chemicals, from post-workout irritation to everyday skin support. Go to ActiveSkinRepair.com and use code BEN for 20% off, or find it on Amazon and at your local CVS. See omnystudio.com/listener for privacy information.

    The BIGGEST Step You Can Take To Reduce Microplastics, How To Get Rid of Back Pain, What You Need To Know About Heart Scans & More - Solosode #505

  2. 2 days ago

    The Myth Of The Perfect Health Routine: How To Raise Your HRV By Giving Up Control, With Justin Roethlingshoefer

    Full show notes: https://bengreenfieldlife.com/holyhealth In this episode with Justin Roethlingshoefer, you'll hear from a former NHL performance coach turned health entrepreneur whose new book, Holy Health, is the one I chose for my father-son book club this month. This is not another eat-honey-and-drink-milk Bible health book. Justin is a genuine biohacker who works with pro athletes worldwide, and he has woven deep spiritual and physiological science into the same framework. You'll learn why the modern obsession with optimization can quietly become idolatry, how the drive to control your metrics keeps your nervous system stuck in fight-or-flight and lowers your HRV, and the five "hearts" that trap high performers in striving. You'll also get the practical side: his full morning and evening rhythms, why he starts his day at 6 p.m. rather than at sunrise, the breathwork he does midday in the grass, his exact zone two and zone five weekly targets, and how he folds three and a half hours of zone two into family walks with a weighted vest. It's a conversation about doing less frantic optimizing and more intentional stewardship, and it may reframe how you think about every biohack you own. Episode Sponsors: Tiny Health: An at-home microbiome test that uses metagenomic sequencing to analyze your full gut ecosystem and give personalized, evidence-based diet, lifestyle, and supplement recommendations. Get $50 off your first kit at TinyHealth.com/BEN. Timeline: Give your cells new life with Mitopure, which unlocks a precise dose of the rare Urolithin A molecule to promote healthy aging. Mitopure now starts at $79 when you go to timeline.com/BEN. JOYMODE: Spice things up in the bedroom and boost your sexual performance naturally, without prescription drugs. Visit tryjoymode.com/BEN or enter BEN at checkout for 20% off your first order. Supzential: More Than a Toothpaste: Created by biological dentist Dr. Dome, it combines bioavailable hydroxyapatite, a patented probiotic, xylitol, and lactoferrin to support enamel remineralization and a healthy oral microbiome, with no fluoride, SLS, or titanium dioxide. Visit Supzential.com and use code BEN20 for 20% off. BIOptimizers Magnesium Breakthrough: Seven essential forms of magnesium in one full-spectrum serving to help you relax, unwind, and sleep deeply so you wake up refreshed. Go to bioptimizers.com/ben and use code ben15 for 15% off any order. See omnystudio.com/listener for privacy information.

    The Myth Of The Perfect Health Routine: How To Raise Your HRV By Giving Up Control, With Justin Roethlingshoefer

  3. 22 Aug

    Eat *This* If You Consume Seed Oils, Best Way To Combine Strength & Cardio, Peptide "Stacking" Rules & More! Solosode #504

    Full show notes: https://bengreenfieldlife.com/504 In this solosode, you'll get the latest research on three questions I keep getting asked. First, seed oils: a brand-new randomized controlled trial put 52 adults on either a low or a typical Western intake of linoleic acid for 12 weeks, and the results are important less for what they found than for what they didn't. You'll hear why arachidonic acid didn't move, why EPA dropped instead, what that does to your inflammatory balance, which seed oils I still think are worth avoiding, and the one dietary adjustment that matters most if seed oils are part of your diet. You'll also learn the surprisingly small amount of strength training that delivers the biggest longevity payoff, according to a 30-year study of more than 147,000 people, plus why pairing it with cardio is the single best exercise combination for blood pressure. I break down concurrent training, the interference effect between AMPK and mTOR, and when combining strength and cardio in one session helps you versus when it holds you back. Finally, I answer a listener question on peptides with six practical rules for stacking them safely, including which ones should never share a syringe, which ones cancel each other out at the receptor, and an honest look at how thin the human evidence really is behind the popular Wolverine stack. Episode Sponsors: Young Goose: Cutting-edge skincare that supports your skin's cellular health. Visit younggoose.com and use code BGF10 for 10% off. ULTRA: A clean, nicotine-free, caffeine-free pouch that delivers smooth, sustained energy and focus using clinically backed nootropics and adaptogens, without the jitters or crash. Visit takeultra.com and use code BENGREENFIELD for 15% off. ButcherBox: Premium, responsibly sourced protein delivered to your door, from 100% grass-fed beef to pasture-raised chicken and wild-caught seafood. New customers get a free protein for a year, plus $20 off the first box and free shipping, at ButcherBox.com/BEN. Larine: A better-for-you chewing gum that uses nano-hydroxyapatite, the same mineral your tooth enamel is made of, to support stronger teeth and fresher breath. Visit BuyLarine.com/BEN to get up to 50% off your order. Nuchido: Nuchido TIME+ is a science-backed supplement that optimizes your body's NAD metabolism across multiple pathways to support energy, cognition, recovery, and vitality. Visit BenGreenfieldLife.com/Nuchido and use code BEN20 to save 20%. See omnystudio.com/listener for privacy information.

    Eat *This* If You Consume Seed Oils, Best Way To Combine Strength & Cardio, Peptide "Stacking" Rules & More! Solosode #504

  4. 20 Aug

    This 56 Year Old Mom Is Reversing Aging Faster Than Pro Biohackers On $106 A Month! With Julie Gibson Clark

    Full show notes: https://bengreenfieldlife.com/juliepodcast In this episode with Julie Gibson Clark, I'm highlighting a throwback conversation because the gap it exposed has only gotten wider. There's a leaderboard called the Rejuvenation Olympics where people submit a blood test that measures how fast they're aging. When we recorded, Julie was a 55-year-old single mom in Phoenix making under $100,000 a year, sitting at number two in the world, aging at roughly two-thirds the speed of the calendar, and ahead of people like Bryan Johnson, who was spending $2 million a year chasing the same number. Her budget was $27 a month for a gym membership and $79 a month for a supplement. This February, Bryan Johnson opened an elite longevity program at $1 million a year with three spots, an interview process, and a requirement that you hire a dedicated assistant to keep up with the protocol. You'll learn what Julie actually does: sleep protected like it's sacred, walking and rucking, strength training and VO2 max work, a pile of vegetables every day, one supplement, prayer, and stillness. Nothing that requires an executive assistant. You'll also hear her full health history, from heavy metal toxicity and chelation therapy to the genetics that shaped her approach, exactly what she eats and when, her supplement stack, her sleep and sauna routines, and why she refuses to name a target lifespan. Now 56 and teaching as founding faculty at a longevity academy, Julie is proof that the affordable end of longevity practice still gets you remarkably far. Episode Sponsors: Dr. Murray Natural Products – ThymoQuin®: A clinically researched black seed oil that supports healthy cortisol levels, resilience to everyday stress, and overall well-being, and the only one that meets U.S. Pharmacopeia guidelines. Visit doctormurray.com/ben and use code BEN25 for 25% off all Dr. Murray Natural Products. ZBiotics Pre-Alcohol Probiotic: The world's first genetically engineered probiotic that helps break down the toxic byproduct of alcohol so you can enjoy your night out and feel great the next day. 100% money-back guarantee and 15% off your first order at zbiotics.com/BEN15. Tiny Health: An at-home microbiome test that uses metagenomic sequencing to analyze your full gut ecosystem and give personalized, evidence-based diet, lifestyle, and supplement recommendations. Get $50 off your first kit at TinyHealth.com/BEN. ULTRA: A clean, nicotine-free, caffeine-free pouch that delivers smooth, sustained energy and focus using clinically backed nootropics and adaptogens, without the jitters or crash. Visit takeultra.com and use code BENGREENFIELD for 15% off. TruDiagnostic: An advanced at-home epigenetic test measuring over a million biomarkers for personalized, data-driven insights into your aging, energy, and overall health. Visit TruDiagnostic.com and use code BEN20 for 20% off. See omnystudio.com/listener for privacy information.

    This 56 Year Old Mom Is Reversing Aging Faster Than Pro Biohackers On $106 A Month! With Julie Gibson Clark

  5. 15 Aug

    From Cocaine Dealing & Prison To #1 Health Podcast In The World, With Dylan Gemelli.

    Full show notes: https://bengreenfieldlife.com/dylan In this episode with Dylan Gemelli, you'll hear one of the wildest origin stories in the health world. Dylan went from college athlete to Milan model to cocaine dealer to a 15-year prison sentence, and came out on the Fourth of July with two felonies, no job prospects, and a decision to start over. Within a year he had a million YouTube subscribers explaining compounds almost nobody was talking about yet, and today he hosts the number one health and fitness podcast in the country. You'll also get the practical side: what SARMs really are and why he turned against steroids, what happened when a routine calcium score came back at 120 with an Lp(a) of 330, how he pushed back against the Mayo Clinic and got that number down into the 90s anyway, and what he learned about ejection fraction and chronic cardio the hard way. Dylan explains why he believes many biohackers are among the unhealthiest people out there, how stacking too many supplements and peptides creates redundancy that backfires, and which lesser-known peptides will rise in popularity. Episode Sponsors: LMNT: Everyone needs electrolytes, especially those on low-carb diets, who fast, are physically active, or sweat a lot. Go to DrinkLMNT.com/BenGreenfield to get a free sample pack with your purchase. Dr. Murray Natural Products – ThymoQuin®: A clinically researched black seed oil that supports healthy cortisol levels, resilience to everyday stress, and overall well-being, and the only one that meets U.S. Pharmacopeia guidelines. Visit doctormurray.com/ben and use code BEN25 for 25% off all Dr. Murray Natural Products. Manukora: You haven't tasted honey like this before, so try some honey with superpowers from Manukora. Head to manukora.com/ben or use code BEN to get $25 off your Starter Kit. Quantum Upgrade: Research shows the Quantum Upgrade increased ATP production in human cells by 20 to 25%. Unlock a 15-day free trial with code BEN15 at quantumupgrade.io. Active Skin Repair: Uses hypochlorous acid, a molecule your body naturally produces, to support skin repair and defense without harsh chemicals. Go to ActiveSkinRepair.com and use code BEN for 20% off, or find it on Amazon and at your local CVS. See omnystudio.com/listener for privacy information.

    From Cocaine Dealing & Prison To #1 Health Podcast In The World, With Dylan Gemelli.

  6. 13 Aug

    Is This The Most Powerful Adaptogenic Plant Extract Known To Humankind? The SCIENCE of Black Seed Oil with Dr. Michael Murray

    Full show notes: https://bengreenfieldlife.com/blackseedoil In this episode with Dr. Michael Murray, one of the most respected figures in natural medicine and the formulator of ThymoQuin®, you'll discover the science behind black seed oil: what thymoquinone actually is, why the full spectrum of the seed's compounds matters more than chasing a single active ingredient, and why it may be the most powerful adaptogen yet measured for lowering cortisol, dropping the stress hormone 22 to 44% in stressed people. You'll hear how it supports your gut by calming harmful bacteria without wiping out the good ones, the surprising dose range where it helps rather than harms your microbiome, and its effects on inflammation, metabolic health, blood pressure, blood sugar, sleep, and candida. Dr. Murray also explains what makes his USP-monographed ThymoQuin different from ordinary black seed oil, why keeping free fatty acids low keeps it active, how to spot adulterated products, and the simple daily protocol he follows himself at 68. It's a grounded, myth-busting look at one of the oldest plant medicines on earth. Episode Sponsors: Just Thrive: The Gut Essentials Bundle pairs a probiotic clinically proven to arrive 100% alive in your gut with Digestive Bitters, 12 science-backed herbs that support digestion and GLP-1 production. Visit justthrivehealth.com/BEN and save 20% with code BEN, or get a full refund if you don't notice a difference. Tecton Ketones: Bioidentical D-beta-hydroxybutyrate (BHB), the same ketone your body makes in ketosis, for clean cognitive support and stable energy with no conversion step. Visit tectonketones.com/ben and use code BEN for 16% off your first order. Young Goose: Cutting-edge skincare that supports your skin's cellular health. Visit younggoose.com and use code BGF10 for 10% off. Sunlighten: Patented infrared sauna technology delivering near-, mid-, and far-infrared wavelengths to reduce inflammation, boost mitochondrial function, and enhance detox and recovery. Save up to $1,600 at get.sunlighten.com/ben with code BEN. Nuchido: Nuchido TIME+ is a science-backed supplement that optimizes your body's NAD metabolism across multiple pathways to support energy, cognition, recovery, and vitality. Visit BenGreenfieldLife.com/Nuchido and use code BEN20 to save 20%. BON CHARGE: A holistic wellness brand whose products help you sleep better, recover faster, balance hormones, and reduce inflammation. Go to boncharge.com/GREENFIELD and use code GREENFIELD to save 15%. See omnystudio.com/listener for privacy information.

    Is This The Most Powerful Adaptogenic Plant Extract Known To Humankind? The SCIENCE of Black Seed Oil with Dr. Michael Murray

  7. 8 Aug

    In Defense Of Sunlight: The *Real Truth* About The Sun, Vitamin D, UVA, UVB, Sunscreen & More, With Rowan Jacobsen.

    Full show notes: https://bengreenfieldlife.com/sunpodcast In this episode, journalist Rowan Jacobsen, author of In Defense of Sunlight, challenges everything you thought you knew about sun exposure. Modeled after Michael Pollan's In Defense of Food, his book argues we've been gaslit into a "zero-sun policy" the science does not actually support. You'll hear why melanoma is tied to intermittent sunburns rather than steady sun, the surprising 2024 research suggesting UVB may be protective while UVA is the real concern, and how office culture, window glass, and car windows may all be hidden pieces of the skin cancer puzzle. You'll also learn why the vitamin D supplement story is more complicated than the pills suggest, how sunlight lowers blood pressure through nitric oxide and lifts your mood through natural opioids, where sunscreen genuinely helps and where hats and shirts do better, what to make of the new sunscreen ingredient Bemotrizinol, and how a simple 30-day reset of your light exposure could transform your sleep. Episode Sponsors: Dr. Murray Natural Products – ThymoQuin®: A clinically researched black seed oil that supports healthy cortisol levels and resilience to everyday stress, and the only one meeting U.S. Pharmacopeia guidelines. Visit doctormurray.com/ben and use code BEN25 for 25% off all Dr. Murray Natural Products. Hiya: Give your kids the full-body nourishment they need in a best-selling children's vitamin. Get 50% off your first order at hiyahealth.com/BEN (it is not available on their regular website). ButcherBox: Premium, responsibly sourced meat and seafood delivered to your door. New customers can choose a free protein for a year, plus $20 off the first box and free shipping, at ButcherBox.com/BEN. TruDiagnostic: An advanced at-home epigenetic test measuring over a million biomarkers for personalized, data-driven insights into your aging, energy, and overall health. Visit TruDiagnostic.com and use code BEN20 for 20% off. See omnystudio.com/listener for privacy information.

    In Defense Of Sunlight: The *Real Truth* About The Sun, Vitamin D, UVA, UVB, Sunscreen & More, With Rowan Jacobsen.

  8. 6 Aug

    BIG Peptide News (Must-Listen!): What Really Happened In Washington DC & A 7 Peptide Breakdown, With Dr. Matt Cook.

    Full show notes: https://bengreenfieldlife.com/peptides2026 In this episode with Dr. Matt Cook, recorded days after he returned from Washington, D.C., you'll get a breakdown of what just happened to peptides in the United States. You'll hear what the FDA's Pharmacy Compounding Advisory Committee actually voted on, why seven popular peptides were pulled two years ago, which six of the seven were just recommended for the bulk list, which one was left off, and what all of it means for your ability to get peptides legally from a pharmacy instead of the gray market. You'll also get a guided tour of the peptides themselves: BPC-157 for gut and tissue healing, KPV for inflammation, TB-500 for cell migration and wound repair, MOTS-c as an exercise mimetic, Semax for memory and learning, Epitalon for sleep and longevity, and DSIP for sleep. Dr. Cook explains why peptides behave so differently from ordinary drugs, walks through a safety review covering millions of doses, and shows how his company LifeOS pulls your labs, wearables, and genetics into one HIPAA-compliant place. And if you want to keep every peptide straight, Dr. Cook built a peptide cheat sheet covering what each one does, how to dose it, and where to source it. Episode Sponsors: Timeline: Give your cells new life with high-performance products powered by Mitopure, which unlocks a precise dose of the rare Urolithin A molecule to promote healthy aging. Mitopure now starts at $79 when you go to timeline.com/BEN. Xtendlife Prosta Support Advanced: Comprehensive daily prostate support combining clinically studied ingredients like saw palmetto and beta-sitosterol with vitamins, minerals, and botanicals. Visit Xtendlife.com/BensChoice and use code GREENFIELD for 15% off. Fatty15: Fatty15 is on a mission to optimize your C15:0 levels and help you live healthier, longer. Get an additional 15% off their 90-day subscription Starter Kit at fatty15.com/BEN with code BEN. BIOptimizers Magnesium Breakthrough: Seven essential forms of magnesium in one full-spectrum serving to help you relax, unwind, and sleep deeply so you wake up refreshed. Go to bioptimizers.com/ben and use code ben15 for 15% off any order. ULTRA: A clean, nicotine-free, caffeine-free pouch that delivers smooth, sustained energy and focus using clinically backed nootropics and adaptogens, without the jitters or crash. Visit takeultra.com and use code BENGREENFIELD for 15% off. See omnystudio.com/listener for privacy information.

    BIG Peptide News (Must-Listen!): What Really Happened In Washington DC & A 7 Peptide Breakdown, With Dr. Matt Cook.
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Hosts & Guests

About

Free fitness, nutrition, biohacking, fat loss, anti-aging and cutting-edge health advice from BenGreenfieldLife.com! Tune in to the latest research, interviews with exercise, diet and medical professionals, and an entertaining mash-up of ancestral wisdom and modern science, along with Q&A's and mind-body-spirit optimizing content from America's top personal trainer.

Information

  • Creator
    Ben Greenfield
  • Years Active
    2008 - 2026
  • Episodes
    1.8k
  • Rating
    Explicit
  • Copyright
    © 2026 Ben Greenfield
  • Show Website
    Boundless Life

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