

Boundless Life
Ben Greenfield
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.
Episodes
Mentioned books

Oct 2, 2025 • 60min
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
Dr. Joel "Gator" Warsh, a board-certified integrative pediatrician and author, delivers a balanced perspective on childhood vaccinations. He discusses the evolution of vaccine schedules and the importance of informed consent, highlighting rising parental skepticism post-COVID. Warsh delves into the adequacy of vaccine safety tests, questioning the lack of inert placebo trials for many vaccines. He explores the potential of genetic testing to predict vaccine reactions and emphasizes the need for open dialogue between parents and healthcare providers to restore trust.

25 snips
Sep 27, 2025 • 1h 11min
Dietary Diversity or Carnivore: Which Fuels Better Health, Longevity, and Performance? Dr. Shawn Baker & Joel Greene Debate
Dr. Shawn Baker, an orthopedic surgeon and carnivore diet advocate, and Joel Greene, a nutrition and longevity practitioner, engage in a spirited debate over dietary approaches. Baker defends the benefits of a meat-centric diet, highlighting its effectiveness for chronic conditions and the simplicity it offers. Greene counters with the importance of dietary diversity, discussing how fiber supports gut health and immune function. Both guests explore the potential metabolic risks of strict diets and agree on using carnivore strategies short-term, emphasizing a balance for optimal health.

10 snips
Sep 25, 2025 • 1h
Paper Mills, Peer Review Problems, P-Hacking & Everything Else BROKEN About Modern Science & Research Journals, With Emily Kaplan
Emily Kaplan, co-founder of the Broken Science Initiative and an expert in research integrity, dives into the systemic issues plaguing modern science. She discusses the failures of peer review, the prevalence of paper mills, and how manipulated studies can mislead medical practices, notably the flawed Alzheimer’s research. Emily highlights the importance of transparency and community engagement through initiatives like MetFix, which empowers individuals to combat chronic diseases with better nutrition and lifestyle choices.

122 snips
Sep 20, 2025 • 60min
Could This Be The World's Most POWERFUL Self-Quantification Device?! (& Is It Even *Safe* Or *Accurate*?) With Whoop's Will Ahmed
Join Will Ahmed, founder and CEO of WHOOP, a revolutionary health tracking company that specializes in continuous physiological monitoring. He dives into WHOOP's innovative ECG and blood pressure insights, discussing real-world applications for athletes and everyday users alike. Learn about how AI and OpenAI integration enhance health metrics and the importance of sleep accuracy. Will also addresses common concerns about EMF and provides insights into actionable feedback for optimizing performance and wellness through advanced wearable technology.

33 snips
Sep 18, 2025 • 1h 6min
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
Join Dr. Bryce Appelbaum, a leading neuro-optometrist and founder of MyVisionFirst, as he uncovers how hidden vision issues often mimic dyslexia and ADHD. Alongside Jessa, who shares her personal journey with dyslexia, they delve into transformative vision therapy techniques that enhance reading skills, focus, and concussions recovery. Discover how specialized lenses and at-home programs can sharpen performance for athletes and individuals alike. This enlightening conversation reveals the profound impact of vision on learning and peak performance.

43 snips
Sep 13, 2025 • 1h 1min
Is This Like Drinking HUNDREDS of Bottles Of Hydrogen In A Single Sitting? The Massive Antioxidant Benefits of *Inhaling* Hydrogen, With Dr. Tyler LeBaron & Alex Tarnava.
Tyler LeBaron, founder of the Molecular Hydrogen Institute, and Alex Tarnava, self-taught scientist and inventor, explore the intriguing world of molecular hydrogen. They discuss the exceptional antioxidant benefits of hydrogen inhalation versus hydrogen-rich water, noting its potential in injury recovery and stress relief. The duo touches on dosage safety, the evolutionary role of hydrogen in health, and future research opportunities in this groundbreaking field. Their insights promise a revolutionary shift in health therapies and athletic performance.

51 snips
Sep 11, 2025 • 1h 6min
Low-Carb Vs. High-Carb Battle — What's BETTER For Your Health & Metabolism: Fats or Sugar? with Dr. Eric Westman and Jay Feldman
Jay Feldman, a health coach known for his bioenergetic approach, teams up with Dr. Eric Westman, a leading obesity medicine expert and founder of the Duke Keto Medicine Clinic. They dive into the intense debate of low-carb versus high-carb diets, stressing the need for personalized nutrition based on metabolic responses. Topics include the benefits of ketosis, the importance of energy production efficiency, and metabolic impacts of fats versus glucose. The discussion emphasizes simple lifestyle changes and exploring safer food choices for optimal health.

43 snips
Sep 6, 2025 • 1h 6min
Could This “Bible Secret” Be The Cure For Cancer? The WISEST Meal In The World, Pork & Shellfish *Confusion* & Much More With Jordan Rubin
In this engaging discussion, Jordan Rubin, a prominent natural health expert and author, delves into the healing potential of fruit tree leaves, suggesting they might hold the key to fighting cancer and promoting longevity. He shares insights from his new book and emphasizes the importance of biblical wisdom in modern health practices. Jordan also provides practical tips for making a therapeutic healing tea and highlights the nutritional benefits of natural foods like honey. The conversation beautifully intertwines faith, diet, and holistic health.

37 snips
Sep 4, 2025 • 51min
This FASCINATING Molecule Originally Boosted Muscle & Endurance But Is *Now* Being Shown To Reverse Immune Aging?! Urolithin A With Dr. Anurag Singh
Dr. Anurag Singh, Chief Medical Officer at Timeline Nutrition, shares his expertise on Urolithin A, a postbiotic beneficial for muscle strength and immune health. He discusses its role in mitochondrial function and potential to reverse immune aging, linking diet quality to its efficacy. The conversation covers dietary sources, optimal dosages, and various delivery methods. Singh highlights recent research on how Urolithin A can rejuvenate immune functions and enhance health span, making complex topics accessible and engaging.

20 snips
Aug 30, 2025 • 1h 6min
Ben's Best Friend Caleb On Using Your Hair To Test Your Health?! The Era of AI Clone Coaches, MAGICAL(?) Honey, Weighted Vests & More!
Caleb Applegate, President of the Life Network and a seasoned executive in gaming and digital health, joins the discussion to explore cutting-edge innovations in wellness. They dive into using hair analysis for health insights, how AI is transforming coaching, and the magic of adaptogenic honey. The conversation highlights the community-building aspect of fitness and new tech tools like a health monitoring watch. Caleb shares personal anecdotes about unique fitness gear, including weighted vests, and the mission to make health testing accessible for everyone.