Boundless Life

Full show notes: BenGreenfieldLife.com/spysecrets In this episode, I’m re-airing my conversation with former covert CIA officer Andrew Bustamante, founder of EverydaySpy. My friend Adam Wenguer introduced us by saying Andrew was great at marriage, homeschooling, and biohacking, and that he used to be a spy. You’ll hear what a polygraph really measures, how the CIA rebuilds officers after an operation, and the recovery tools he leans on, including L-theanine, CBD oil (use code BEN15 for 15% off), and watered-down electrolyte drinks (get a free sample pack with any drink mix order). Andrew walks through his CIA morning routine, from a big glass of water and a Transcendental Meditation® mantra to berries instead of coffee, plus why the agency wants your heart rate up early and why he shuts off screens 90 minutes before bed. You’ll also hear about the two popular sleep aids I think cut into your REM sleep, the “perspective” exercise that changed his marriage, the “false dilemma” that heads off most bedtime fights with kids, and how I talk to my own sons about porn. We also cover why he journals in fragments and turns them into spreadsheet dashboards, and why switching up your workouts beats the same treadmill run every day. If you want to go deeper, you can find his new book, Outsmart Everyone, here. Episode Sponsors: ULTRA: A clean, nicotine-free, caffeine-free pouch for smooth, sustained energy and focus without the jitters, crashes, or sleep disruption. Visit takeultra.com and use code BENGREENFIELD for 15% off. Dr. Murray Natural Products – ThymoQuin®: A clinically researched black seed oil formulated to support healthy cortisol levels and resilience to everyday stress. Visit doctormurray.com/ben and use code BEN25 for 25% off all Dr. Murray Natural Products. ALYA Health: A high-polyphenol, single-origin olive oil from rare Tunisian Chetoui olives, taken as a daily shot before a meal. Visit AlyaHealth.com/s/ben or use code BEN for 20% off your first order. Anthros: Anthros takes a different approach to sitting, starting with a Precision Posture System at the pelvis so your spine naturally aligns, plus a built-in Clinical Posture Consult. Go to anthros.com and use code BEN for an exclusive $200 discount and try it risk-free for 60 days. BIOptimizers Magnesium Breakthrough Advanced 10: 10 bioavailable forms of magnesium with active vitamin B6 and ionic trace minerals to support sleep, recovery, stress, and metabolic health. Go to bioptimizers.com/ben and use code ben15 for 15% off any order. Nuchido: Nuchido TIME+ is designed to support healthy aging at the cellular level by optimizing your body’s NAD production, recycling, and preservation. Visit BenGreenfieldLife.com/Nuchido and use code BEN20 to save 20% on your order.See omnystudio.com/listener for privacy information.

Full show notes: BenGreenfieldLife.com/thymuspodcast In this episode, I sit down with internal medicine physician Dr. Abud Bakri to talk about the thymus, the small gland on top of your heart that trains your immune system and starts shrinking as soon as you hit puberty. You’ll hear what speeds that shrinkage up, from birth control and testosterone therapy to chronic infections, stress and a leaky gut, why Korean eunuchs lived longer, and which blood markers, like the ratio of helper to killer T cells (CD4-to-CD8 ratio), give you a window into how your thymus is doing. We get into thymulin and zinc, thymosin alpha-1, the Russian thymus extract Thymalin, and whether eating sweetbreads does anything at all. You’ll also hear my bedtime stack of epitalon and Pinealon, why Abud shines red light on his sternum, the overlooked link between the thymus and testosterone, why he takes 40 times my dose of body protection compound 157 (BPC-157) for injuries, and the red flags to watch for before you inject any peptide. We also cover natural killer cell treatments, the libido peptide being tested for weight loss, and why Abud thinks lactoferrin and colostrum are about to catch on. Episode Sponsors: Hiya: Full-body nourishment for your kids with Hiya’s best-selling children’s vitamin. Get 50% off your first order at hiyahealth.com/BEN (it is not available on their regular website). Tecton Ketones: Bioidentical D-beta-hydroxybutyrate (BHB), the same ketone your body makes during ketosis, for clean cognitive support, stable energy, and performance. Visit tectonketones.com/ben and use code BEN for 16% off your first order. Timeline: Mitopure unlocks a precise dose of the rare Urolithin A molecule to give your cells new life and promote healthy aging. Mitopure now starts at $79 when you go to timeline.com/BEN. Qualia Stem Cell: A science-backed supplement that supports your body’s natural repair system by enhancing stem cell function, taken just four days per month. Visit qualialife.com/boundless and use code BOUNDLESS for 15% off. Manukora: Honey with superpowers, unlike any honey you’ve tasted or seen before. Head to manukora.com/ben or use code BEN and you’ll automatically get $25 off your Starter Kit.See omnystudio.com/listener for privacy information.

Full show notes: BenGreenfieldLife.com/thyroidhealth In this episode, I'm re-airing one of the most comprehensive thyroid conversations I've ever had, with repeat guest Dr. Amie Hornaman. Six doctors told her she was normal while she gained 25 pounds in contest prep, and the seventh finally found the goiter. You'll hear why thyroid stimulating hormone (TSH) on its own misses most of the picture, how reverse T3 can block your active thyroid hormone at the cell door, and why only 2% of hypothyroid patients do well on T4 alone. We get into T2, the thyroid hormone almost nobody talks about, and the Thyroid Fixxr® (use code BEN10 for 10% off) I took to Italy. Dr. Amie also covers what years of low-carb eating does to T3, whether animal glandulars help or backfire, where iodine and selenium fit, the peptides she uses for Hashimoto's, and why testosterone matters so much for women. If you've been told your thyroid labs are normal and you still feel terrible, this one is for you. Episode Sponsors: Our Place: Upgrade to Our Place today and say goodbye to forever chemicals in your kitchen. Go to fromourplace.com/ben and enter my code BEN at checkout to receive 10% off sitewide. Larine: A better-for-you chewing gum with 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 today. TruDiagnostic: An at-home epigenetic test that measures over a million biomarkers for personalized insights into your aging, energy, and health. Visit TruDiagnostic.com and use code BEN20 for 20% off. ULTRA: A clean, nicotine-free, and caffeine-free pouch for smooth, sustained energy and focus without the jitters or crash. Visit takeultra.com and use code BENGREENFIELD for 15% off. Young Goose: Cutting-edge skincare products. Visit younggoose.com and use code BGF10 at checkout for 10% off your order. Active Skin Repair: Non-toxic skin support with hypochlorous acid, a molecule your body naturally produces. 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.

Full show notes: BenGreenfieldLife.com/drtyna I'm re-airing my conversation with Dr. Tyna Moore about GLP-1s because almost everything she said about them is still being misunderstood, and she was one of the earliest voices advocating for using these drugs at very low doses. When we recorded, the internet had largely decided GLP-1 agonists were terrible: muscle wasting, "Ozempic face," suicidality, and more. Tyna's take was very different, and much of what she discussed has held up surprisingly well. Not everything, though. The big Alzheimer's trials found that GLP-1 treatment did not significantly slow disease progression. I was the guinea pig for this one. The week before our interview, I injected one-tenth of the standard semaglutide dose, and Dr. Moore told me on air that even that was far too much for me. She was right. It took me three days to get through one porterhouse steak. You'll hear what dosing for appetite control rather than appetite suppression actually looks like, why a natural GLP-1 stimulator may not do much if the gut cells that release GLP-1 have stopped responding, what the thyroid cancer black box warning is actually based on, what that widely shared suicidality study really measured, and how to protect your muscle while using these drugs. Dr. Tyna Moore also shares where she sends people now that she has stopped taking new patients, which is The Menopause Rebellion, her community for Gen X women covering hormones, metabolism, muscle building, GLP-1s, and peptides. Episode Sponsors: ALYA Health: A high-polyphenol, single-origin olive oil made from rare Tunisian Chetoui olives, designed to be taken as a daily shot before a meal. Visit AlyaHealth.com/s/ben or use code BEN for 20% off your first order. JOYMODE: Want to spice things up in the bedroom, boost your sexual performance, and do it naturally without nasty prescription drugs? Visit tryjoymode.com/BEN or enter BEN at checkout for 20% off your first order of JOYMODE. ULTRA: A clean, nicotine-free, and caffeine-free pouch that delivers smooth, sustained energy and focus using clinically backed nootropics and adaptogens, with no jitters or crashes. Visit takeultra.com and use code BENGREENFIELD for 15% off. Dr. Murray Natural Products – ThymoQuin®: A clinically researched black seed oil that supports healthy cortisol levels and resilience to everyday stress. Visit doctormurray.com/ben and use code BEN25 for 25% off all Dr. Murray Natural Products.See omnystudio.com/listener for privacy information.

Full show notes: BenGreenfieldLife.com/506 In this episode, you'll discover three things I've been asked about constantly: whether the melatonin heart failure headline is worth worrying about, how much sleep is actually too much or too little, and the shortest route to a higher VO2 max. I break down what the melatonin study did and did not reveal, why a key prescription detail changes how the findings should be interpreted, and why I still use high-dose melatonin for jet lag. Then I move to VO2 max, including the Norwegian 4x4 explained the way I used to coach it, what the sprint interval research says about doing it faster, and the tools that work beyond exercise, from heat acclimation to altitude to correcting an iron deficiency. You'll also hear what a new Nature study of half a million people found about the 6.4 to 7.8 hour sleep window, and why I still sleep less than that on purpose. Finally, fertility for men and women. On the male side, scrotal temperature, timing intercourse around ovulation, the lubricant problem nobody mentions, and the supplements with real human data behind them, from L-carnitine and CoQ10 to zinc and shilajit (use code GREENFIELD for free shipping). On the female side, ovulation tracking, acupuncture, CoQ10 before egg retrieval, and inositol. Plus how to preserve fertility if you're on testosterone replacement therapy (TRT). Episode Sponsors: BIOptimizers Magnesium Breakthrough Advanced 10: Ten bioavailable forms of magnesium with active vitamin B6 and ionic trace minerals to support uptake, sleep, recovery, stress, and metabolic health. Go to bioptimizers.com/ben and use code BEN15 for 15% off any order. Timeline: Give your cells new life with Mitopure, Timeline's powerful ingredient that unlocks a precise dose of the rare Urolithin A molecule. Mitopure now starts at $79 at timeline.com/BEN. ULTRA: A clean, nicotine-free, caffeine-free pouch that delivers smooth, sustained energy and focus using clinically backed nootropics and adaptogens, with no jitters or crashes. Visit takeultra.com and use code BENGREENFIELD for 15% off. Tiny Health: An at-home microbiome test that analyzes your full gut ecosystem and gives you personalized, evidence-based diet and supplement recommendations. Get $50 off your first kit at TinyHealth.com/BEN. 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.

Full show notes: BenGreenfieldLife.com/limitlessdaily In this episode, you'll hear repeat guest Jim Kwik talk about cognitive offloading and where the line sits between using your phone as a second brain and letting your own memory go slack. We dig into the MIT study that scanned essay writers' brains and found the ChatGPT group remembered the least of what they wrote, what London cabbies' brains looked like before satellite navigation, why movement drives brain-derived neurotrophic factor (BDNF), and why racket sports and dance sit at the top of the longevity list. You'll also learn Jim's BUILD framework for using AI as a critic rather than an answer machine, how to write an affirmation your brain will not immediately reject, the white bear effect that makes "don't check your phone" the least useful instruction you can give yourself, why the 15 to 45 minutes of sleep inertia after you wake carries more weight than any other window in your day, and the four daily basics Jim ranks above every device in his house. We close with the 40 Hz gamma protocol I now use in the early afternoon, and the surprising effect it's had on how quickly I fall asleep at night. All of this comes straight out of Jim's new book, Limitless Daily, designed to give you one simple, actionable lesson each day for an entire year. Episode Sponsors: Tecton Ketones: Bioidentical D-beta-hydroxybutyrate (BHB), the same ketone molecule 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. ULTRA: A clean, nicotine-free, caffeine-free pouch that delivers smooth energy and focus from clinically backed nootropics and adaptogens, with no jitters or crashes. Visit takeultra.com and use code BENGREENFIELD for 15% off. Forkful: Chef-cooked, ready-to-eat meals made with grass-fed bison, wild-caught salmon, and fresh vegetables, zero seed oils, no prep and no cleanup, ready in under 3 minutes. Visit ForkfulMeals.com and use code BEN50 for 50% off your first order. 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 promo code BEN.See omnystudio.com/listener for privacy information.

Full show notes: https://bengreenfieldlife.com/nickpodcast In this episode, you'll get a practical, plain-language tour of breathwork with Nick Sweeney, a breathwork coach who rebuilt his body with breath after a college bike accident left him unable to walk. You'll learn his Vortex Breath and the Fibonacci counting behind it, why slow breathing is really cardiovascular training that may predict how long you live, how to pair breath with fascia and mobility work, his routines for better sleep and for combining sauna, breath, and cold safely, where he lands on the cold plunge debate, why the air you breathe matters as much as how you breathe, and his "Billions Will Breathe" mission to get a million (and eventually a billion) people breathing in sync. Nick is the founder of Coherence, a breathwork app that trains your nervous system to improve deep and REM sleep, HRV, and stress resilience. After doctors told him his skiing career was over, he went from unable to walk to competing at U.S. Nationals within a year using breathwork, cold, and nervous system work, and today he leads a global movement to have people breathe together as one. Want to breathe in sync with people around the world? You can grab Nick's Coherence app here and use code BEN30 for four weeks free. Episode Sponsors: 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. 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. Our Place: Say goodbye to forever chemicals in your kitchen. Go to fromourplace.com/ben and enter code BEN at checkout for 10% off sitewide. 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%. Dr. Murray Natural Products – ThymoQuin®: A clinically researched black seed oil that supports healthy cortisol levels and resilience to everyday stress. Visit doctormurray.com/ben and use code BEN25 for 25% off all Dr. Murray Natural Products.See omnystudio.com/listener for privacy information.

Full show notes: https://bengreenfieldlife.com/floridahunt In this episode, recorded at Lightsey Family Ranch in Venus, Florida, I'm joined by my sons River and Terran and repeat guest Adam Wenguer, founder of Element Health, for the first stop in a father-and-sons adventure project inspired by former Boundless guest Sahil Bloom's The 5 Types of Wealth. You'll hear the ethics and deeper meaning of hunting, why harvesting your own meat changes your relationship with food, and how to cook wild game so it actually tastes great. We also get into spearfishing and free diving, teaching kids breath work and comfort with heat and cold from a young age, and a grounded, plain-language look at cannabis and the endocannabinoid system, including how CBD, CBG, and CBN each work. Adam is a University of Florida graduate in applied physiology and kinesiology who spent more than a decade as a strength, conditioning, and health coach at a five-star wellness resort before founding Element Health in 2017. He is a Brazilian jiu-jitsu black belt, a meditation practitioner, and a passionate advocate for ethical, conscious hunting, and he lives on a farm in Florida with his family. Want to try Adam's full-spectrum CBD for yourself? You can check out Element Health here (use code BEN15 to save 15% off). Episode Sponsors: 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 and alert. Go to bioptimizers.com/ben and use code ben15 for 15% off any order. ZBiotics Pre-Alcohol Probiotic: The world's first genetically engineered probiotic that breaks 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. JOYMODE: Spice things up in the bedroom and boost sexual performance naturally, without prescription drugs. Visit tryjoymode.com/BEN or enter BEN at checkout for 20% off your first order. 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.See omnystudio.com/listener for privacy information.