Boundless Life

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.

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Every guest on Boundless Life

438 guests, ranked by how many people never want them back.

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James Fadiman
Microdosing For Sports Performance, Microdosing Stacks With Psychedelics & Plant Medicines, The Best Microdosing Protocols & Much More With Jim Fadiman. · Feb 2021

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Wim Hof
Freediving, Breathholding, Iceman Wim Hof, Tom Cruise's Mission Impossible Training, How To Use Static Apnea Tables & More! · 3 episodes

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Mark Hyman
The Book That's Pissed Me Off The Most This Year (& How To Fix America's Food System) - The Mark Hyman Podcast With Ben Greenfield. · Feb 2020

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Abud Bakri
The Little-Known “Throwaway” Gland That Is CRITICAL For Immunity (& The Unexpected Peptides To Support It) - With Abud Bakri · Oct 2026

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Craig Koniver
How To Get Your Own Vitamin and NAD IV's, The Truth About Umbilical Stem Cells, Peptide Injections & Much More With Dr. Craig Koniver · Nov 2018

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Jesse Itzler
Living With A Navy Seal, Running 100 Miles, Only Eating Fruit Until Noon & More With Jesse Itzler. · Jul 2016

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Keith Rabois
How Rich Guys Stay Fit, Heart Rate Recovery, Resting Heart Rate Tracking, Heart Rate Variability, Cold Soak Temperatures, Little-Known Pre-Sleep Supplements & Much More With Keith Rabois. · Aug 2021

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Kevin Rose
Elephant-Poop Coffee, Chocolate Ceremonies, Cold H2O Training, Holotropic Breathing, Nootropics, Ketosis, Meditation, Fasting & More: The Kevin Rose Podcast · Dec 2016

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Sami Inkinen
How To Reverse Type II Diabetes, Create Billion Dollar Companies, Win Triathlons With A Fraction Of The Normal Training Time & Much More: The Sami Inkinen Podcast · Jun 2018

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Sara Gottfried
App INSIDER: The Cost Of Being A Bad-Ass - How To Cure Your Hormones With Dr. Sara Gottfried · Jun 2013

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Tom Digan
Part 2 With Tom Digan: Ben Greenfield's Favorite Biohacks, How Important Are Calories & Nutrition, Microwaved Burritos Vs. Grass-Fed Meat, Cool New Fitness Technologies & Much More. · 2 episodes

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Tommy Wood
How To Build A Better BRAIN (+ Ketamine, Nicotine, Alcohol & More!) With Dr. Tommy Wood. · Apr 2026

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Will Ahmed
Could This Be The World's Most POWERFUL Self-Quantification Device?! (& Is It Even *Safe* Or *Accurate*?) With Whoop's Will Ahmed · Sep 2025

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Andrew Koutnik
Why You Need FAR Less Carbs Than You Think (Especially During Exercise) & Ketones As An "Alternate Fuel", With Dr. Andrew Koutnik - Part 2 · 2 episodes

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Andrew Weil
From Green Tea To Psilocybin: The Routines, Diet, Lifestyle, Supplements & Sage Advice From One Of The Top Natural Medicine Docs On The Face Of The Planet - The Dr. Andrew Weil Podcast. · Jun 2019

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Azra Raza
The Broken State Of Cancer Research, Cancer Detection & Cancer Drugs (& What We Can DO About It!) With Dr. Azra Raza. · Sep 2024

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Ben Patrick
How To Get Rid Of Knee Pain Forever, The Best Knee Rehab Exercises, The Ancient Chinese Technique To Keep Your Knees Young & More With Ben Patrick, The "Knees Over Toes Guy". · Jan 2022

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Brendon Burchard
The Health Habits, Rituals, Routines, Biohacks, Foods, Supplements, Workouts, and Success Secrets of Brendon Burchard. · May 2020

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Chris Masterjohn
What Happens If You Take Too Much Creatine, A Notorious Deficiency On High-Protein Diets, How To Become A Nutrition Ninja & More With Chris Masterjohn. · 2 episodes

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Dara Torres
Episode #93: Swimmer Dara Torres “Secret Fitness Weapon”. · Oct 2011

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Darin Olien
The Indiana Jones Of Superfoods: Stem Cells, Air-To-Water Machines, Coffeefruit & More With Darin Olien. · Oct 2017

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Darshan Shah
Optimizing Lifespan with Therapeutic Plasma Exchange, High Cholesterol Dilemmas, CT Angiography Revelations, Best Cancer Diagnostics & More with Dr. Darshan Shah, MD · 2 episodes

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Dave Asprey
How To Biohack The Ultimate Healthy Home: Part 3, with Bulletproof Exec Dave Asprey · 2 episodes

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David Rabin
A Chemical-Free Way To Tweak Your Physiology, Find Focus, Sleep Better, Enhance Creativity & Much More With Apollo Neuroscience's Dave Rabin. · 2 episodes

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Dean Karnazes
The Road to Sparta: How Dean Karnazes Relived The Ancient Battle & Epic Run That Inspired The World's Greatest Footrace · Apr 2017

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Dennis McKenna
Ayahuasca 101, Tripping Out On Nutmeg, Magic Mushrooms & More With Dennis McKenna. · Aug 2016

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Dominic D'Agostino
Which Ketone Supplement Works Best: Ketone Salts vs. Ketone Esters With Dr. Dominic D’Agostino. · Jan 2017

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Doug Evans
How To Render Seeds & Plants More Digestible, Get More Amino Acids From Vegetables & Everything You Need To Know About Sprouts & Sprouting With Doug Evans. · 2 episodes

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Elan Lee
Foilboarding Mastery, Hidden Monopoly Secrets, Digital Addiction & How To Make Family Dinners Fun Again, With Exploding Kitten's Elan Lee. · Jun 2025

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Frank Lipman
3 Ways To Doctor Up Your Bone Broth, 10 Habits Of Successful Vegetable Eaters, 30 Second Office Workouts & More With Dr. Frank Lipman · May 2018

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Gabrielle Reece

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Geoffrey Woo
The Latest Research On Ketones & Ketosis For Performance & Recovery, Do Ketones Break A Fast, Using Ketones For 45 Days Of Crossfit Murph, Ketone Esters vs. Ketone Salts & More With Geoffrey Woo of HVMN. · Jul 2020

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Hunter McIntyre
The Hunter McIntyre Podcast: Crossfit vs. Spartan, Top Recovery & Sleep Tips, Crazy Bobby & Much More! · Oct 2019

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Jason Fung
Reset Your Body's Metabolism for FASTER Weight Loss & LESS Hunger In An Era Of Ultraprocessed Foods, With Dr. Jason Fung. · Feb 2026

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Jeff Krasno
You Have Less Genes Than A Grape (& How To Optimize Your Actual Genetics With "Good Stress") With Jeff Krasno. · Jun 2025

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Jennifer Cohen
Are “Healthy” Foods Actually Hurting You? Meal Tracking, Stem Cell Therapy, & Radical Anti-Aging Hacks With Jennifer Cohen · Apr 2025

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Jordan Harbinger
CBD vs. THC For Sleep, Microdosing Psilocybin, Can You Overdo Modafinil, How To Re-Program Your Body Language & Much More With Jordan Harbinger · Dec 2018

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Joshua Fields Millburn
How to Love People & Use Things, Whether Or Not You're A "Hoarder," Minimalist Diets & Workouts & 7 Essential Relationships with Joshua Millburn. · Jun 2022

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Khalil Rafati
Billion Dollar Meals, $35 Smoothies, Peptides For Tanning & Erections, Holotropic Breathwork, MDMA, Ketamine, Addiction Recovery & More With Khalil Rafati · Dec 2018

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Kyle Kingsbury
Personal Freedom, Social Media Addiction, Farming, Structured Water, Personal Productivity & More With Ben Greenfield & Kyle Kingsbury. · 3 episodes

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