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

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

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Bryce Appelbaum
Can ADHD and Dyslexia *REALLY* Be Cured with Vision Training? How Retraining the Eye-Brain Connection Transforms Reading, Focus, Concussion Recovery & Peak Performance — with Dr. Bryce Appelbaum · Sep 2025

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Drew Canole
Secrets To Building Muscle & Burning Fat At The Same Time, Spiritual Enhancement Through Gardening & Music, Sleep, Superfoods & More With Drew Canole · Aug 2019

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JJ Virgin
How To Take Matters Into Your Own Hands With JJ Virgin · Aug 2017

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JP Sears
Fast-Tracking Your Body To Ketosis, Biohacking Hypoxic Performance, Marijuana Legalization, Constipation & More With JP Sears. · May 2017

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Jamie Wheal
Recapture the Rapture: Alchemist-Like Cookbooks, Carbon Dioxide & Nitric Oxide Inhalation, Sexuality, Music, Mind-Enhancing Substances & More With Jamie Wheal. · Jul 2021

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Jeffrey Bland
The Secret Ingredient Inside Fish Guts, Immuno-Rejuvenation 101, The Magic Of Himalayan Tartary Buckwheat, "The Father Of Functional Medicine," Dr. Jeffrey Bland · Apr 2023

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Michael Ruscio
Good Carbs, Bad Carbs, High Carbs, Low Carbs & More: Clearing Up Carbohydrate Confusion With Dr. Michael Ruscio. · Jun 2017

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Rory Vaden
Procrastination Isn't A WILLPOWER Problem: How To Multiply Your Time *Without* Working Harder, With Rory Vaden · Oct 2026

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Sal Di Stefano
Muscle Building Myths Busted: What Works & What Doesn't For Lifelong Muscle, What Fitness Trends Actually Work, Desert Island Workout Routines & More With MindPump's Sal Di Stefano. · Oct 2021

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Scott Donnell
A New, Drug-Free Biohack To Finely Tune Your Emotions, Sleep, Relaxation, Energy, Focus, Calm & More: The Hapbee With Scott Donnell. · Apr 2021

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Yuri Elkaim
Blood Oxygenation Tips, Negative Calorie Foods, Self-Testing Your Adrenals & More: Yuri Elkaim's 7 Commandments Of Energy · Oct 2016

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Anjan Katta
Is It Possible To Make Our Screens "Healthier"? The New Blue-Light, Flicker-Free Technology That May Change the Face Of Computing Forever, With Daylight Computer's Anjan Katta · Oct 2024

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Jack Kruse
Jack Kruse Tells You How To Live Like A Polar Bear And Eat Like A Great White Shark · Jun 2013

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Nick Norwitz
Everything You Need To Know About SEED OILS (Including One Cool "Trick" To Make Them Less Damaging), With Dr. Nick Norwitz · Dec 2025

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Thomas Seager
The Surprising Link Between Cold Plunging, Testosterone & Sexual Performance (For Both Men & Women!), With Dr. Thomas P Seager · Jul 2025

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Anurag Singh
Could *This* Molecule Be the KEY To Reversing Immune Aging & “Supercharging” Your Mitochondria? With Dr. Anurag Singh · 3 episodes

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Emily Fletcher
A New Style Of Meditation That Helps You To Stress Less & Accomplish More - The Emily Fletcher Podcast. · Oct 2019

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James Arthur Smith
Superfoods Of The Sea, Why "Wild-Caught" Fish Are DIRTY, Fish Oil vs. Fish & More With Seatopia's James Arthur Smith · Jul 2025

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James DiNicolantonio
Why You're Probably Mineral Deficient If You Eat A "Healthy" Diet, How Coffee & Ketosis Affect Your Mineral Status, Is Himalayan Salt Toxic, The Best Bottled Waters & More: The Mineral Fix With James DiNicolantonio. · Jun 2021

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Joel Warsh
Vaccines?! Between a Shot & a Hard Place: Are Childhood Vaccines SAFE, How Many Do Kids Really Need & What Parents Should Ask, with Dr. Joel Warsh · Oct 2025

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Kimi Werner
How To Get Started With Spearfishing and Why It's So Good For Fitness & Food: The Kimi Werner Podcast · Aug 2018

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Matt Cook
BIG Peptide News (Must-Listen!): What Really Happened In Washington DC & A 7 Peptide Breakdown, With Dr. Matt Cook. · 8 episodes

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Michael Murray
Is This The Most Powerful Adaptogenic Plant Extract Known To Humankind? The SCIENCE of Black Seed Oil with Dr. Michael Murray · Aug 2026

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Scott Sherr
The Crazy Little Mushroom Extract You've Never Heard Of (CRUSHES Workouts, Amplifies Deep Sleep & Bulletproofs Your Immune System?) With Dr. Scott Sherr · 2 episodes

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Stephanie Venn-Watson
Could This Controversial, Newly Discovered "Dolphin Drug" Be A *Missing Key* To Longevity? The C15:0 Story, With Dr. Stephanie Venn-Watson · May 2025

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Adeel Khan
Follistatin & Klotho Gene Therapy, Stem Cells In Mexico, NK Killer Cells, Advanced Age Reversal Tactics & More With Adeel Khan · Mar 2024

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Amitay Eshel
3 Easy But Little-Known Steps To *Glowing* Skin (Do THIS to Get Rid Of Baggy Eyes, Cellulite & Scars!) With Amitay Eshel · 2 episodes

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Amy Killen

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Andy Hnilo
Insider Beauty Secrets For Men, Can You Eat Your Skin Care Products, How To Smear 1st 6 Hour Milking Grass-Fed Colostrum On Your Face & Much More With Andy Hnilo Of Alitura. · Jan 2022

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Anthony Kunkel
Biohacking Endurance, Running On LSD, Crazy Smart Drugs, Burning Massive Amounts Of Fat Vs. Carbs & Much More With Ultrarunner Anthony Kunkel · Oct 2023

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Ben Lynch
How To Fix Dirty Genes, Interpret Your Genetic Testing Results, Go Beyond 23AndMe Genetic Testing & More With Dr. Ben Lynch. · Dec 2017

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Billy DeMoss
Is Chiropractic Really Bullsh*t Part 2, Throwing Out Your Cell Phone, Juicing Cannabis & More With Billy DeMoss! · Dec 2017

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Brad Kearns
Doubling Your Testosterone Levels, Tactics From The World Of Speed Golf, Primal Endurance & More With Brad Kearns! · Jan 2018

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Brad Marshall
The Croissant Diet, Wine Fasting, Oodles Of Pork Lard, Keto Bricks & Much More With Brad Marshall. · Oct 2020

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Brian Karr
Is Mold Making You Sick, Symptoms of Mold Illness, and How to Release Toxins and Conquer Mold Poisoning With Brian Karr · Feb 2024

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Brian Rose
Ayahuasca, Smart Drugs, Anti-Aging & More With Brian Rose of London Real. · Dec 2015

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Cameron George
The Natural Drug And Alcohol Alternative That May Transform The Future Of Mental Health: Everything You Need To Know About Kava With Cameron George · Nov 2021

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Caroline Alan
Fringe Minerals From Dirt & Why You Need Them: The Full Story Behind Fulvic & Humic Acid, With BEAM Mineral's Caroline Alan. · Sep 2023

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Chris Rhodes
Can You Fast WITHOUT Fasting? How To Use The Science Of Biomimetics To "Fool" Your Body Into A Fasted State (Even When Eating!) With Mimio's Chris Rhodes · Sep 2024

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Chris Shade
The Latest Cool Longevity Drugs, The Best Way To Exercise For Your Mitochondria, Fasting For Men Vs. Women & Much More With Dr. Chris Shade. · Mar 2022

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