『Flex Diet Podcast』のカバーアート

Flex Diet Podcast

Flex Diet Podcast

著者： Dr. Mike T Nelson
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Dr. Mike T Nelson gets geeky with the latest research and scientific findings in the fitness world. Visit www.flexdiet.com to get Flex Diet Certified and www.miketnelson.com for more geeky goodness.2020 - 2022 Extreme Human Performance, LLC エクササイズ・フィットネス フィットネス・食生活・栄養 生物科学 科学 衛生・健康的な生活
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  • Episode 388: Dr. Emily Dow on From Lab to Gym — Bridging Gut Science, Sports Nutrition, and Real-World Coaching

    Episode 388: Dr. Emily Dow on From Lab to Gym — Bridging Gut Science, Sports Nutrition, and Real-World Coaching
    2026/06/08
    In this episode of the Flex Diet Podcast, I sit down with Dr. Emily Dow, PhD, RD, to discuss her research and coaching work at the intersection of nutrition, resistance training, and gut health. We dive into her dissertation research, which examined a 12-week resistance training program combined with a vinegar intervention. Emily explains why the primary outcomes related to gut permeability were limited in a healthy population, while some exploratory findings suggested improvements in strength, possible cognitive benefits, and several intriguing mechanistic pathways involving acetate metabolism, NAD salvage pathways, and AMPK signaling. We also discuss what the current research says about vinegar and glucose control, the challenges of translating tightly controlled exercise studies into real-world recommendations, and why context matters so much when interpreting data. Along the way, we cover the growing interest in peptides and why a healthy dose of skepticism is warranted, the limitations of direct-to-consumer gut microbiome testing, and the often-overlooked role that stress plays in gastrointestinal health. Finally, Emily shares why combining research with hands-on coaching creates better practitioners, better science communication, and ultimately better outcomes for clients and athletes. Sponsors: Daily Fitness Insider Newsletter: https://flex-diet.kit.com/bfa1510fa8 Available now: Grab a copy of the Triphasic Training II book I co-wrote with Cal Deitz here. Episode chapters: 02:29 Vinegar Research Origins04:12 Study Design Training Protocol07:42 Biodex Explained Strength Testing11:49 Research Tradeoffs Null Results14:49 Possible Mechanisms Acetate19:55 Glycemic Control CGM Findings22:21 Peptides Hype And Risks28:54 Microbiome Performance Research30:47 Gut Testing Skepticism36:23 Stress And GI Symptoms39:22 PhD to RD Fast Track41:04 RD Exam Reality Check44:25 Scope of Practice Basics45:56 Referral Networks That Work49:29 Research vs Coaching Gap58:51 Clients Drive Better Questions01:05:26 Why She Started Instagram01:09:58 Social Media for Academia01:13:18 Training Goals and Tattoos01:15:45 Where to Follow and Wrap Up Flex Diet Podcasts you may enjoy: Episode 251: The Role of Microbiome in Elevating Exercise and Dietary Outcomes with Dr Sara Campbell YouTube: https://youtu.be/sQV_1r81SAIEpisode 222: Expert Insights on nutrition, supplements, and training with Registered Dietitian Sean Casey YouTube: https://youtu.be/wjJB-y1kwgM Connect with Dr. Dow: Website: https://www.dremilydow.comInstagram: https://www.instagram.com/dremilydow Get In Touch with Dr Mike: Instagram: DrmiketnelsonYouTube: @flexdietcertEmail: Miketnelson.com/contact-us
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    1 時間 18 分
  • Episode 387: Nathan T. Jenkins on Metabolic Flexibility, Aerobic Base, and First Principles

    Episode 387: Nathan T. Jenkins on Metabolic Flexibility, Aerobic Base, and First Principles
    2026/06/02
    In this episode of the Flex Diet Podcast, I sit down with Dr. Nathan Jenkins to discuss how to improve performance, body composition, and long-term health through the lens of aerobic development and metabolic flexibility. Nathan shares his journey from exercise physiology and coaching CrossFit athletes to his new role teaching physiology at the University of Georgia School of Medicine. We discuss why metabolic flexibility is such a powerful framework for understanding everything from biochemistry and exercise performance to metabolic disease. We also dive into interpreting maximal exercise testing data, including VO₂ measurements, EKG analysis, and near-infrared spectroscopy (NIRS), along with how different energy systems work together during training and competition. Nathan explains why building an aerobic base is critical for repeated high-intensity performance, how pacing impacts outcomes, and why the ability to "suffer" is actually a trainable skill. To wrap up, we cover practical strategies you can apply right away, including prioritizing protein and carbohydrates, improving sleep quality, and addressing common micronutrient deficiencies through blood work, such as magnesium, vitamin D, and omega-3 status. Sponsors: Daily Fitness Insider Newsletter: https://flex-diet.kit.com/bfa1510fa8 Available now: Grab a copy of the Triphasic Training II book I co-wrote with Cal Deitz here. Episode chapters: 02:47 Meet Dr Nathan Jenkins04:38 CrossFit Nutrition Reality Check07:09 Leaving Tenure for Family09:21 Back to Academia and Med Ed11:29 Why Exercise Physiology Matters14:36 Stress Tests Reveal Pathology18:19 Max Testing and NIRS Setup22:42 Raw Data Over Machine Outputs24:18 Bohr Effect and Oxygen Delivery28:09 Energy Systems in the Real World33:05 Coaching Basics That Matter35:40 Teaching Cardio From First Principles36:36 Aerobic Base Reality Check37:19 Cardio for Meatheads Pitch39:13 CrossFit Endurance Breakthroughs41:49 Fixing Time Domain Weakness45:46 Pacing Like Froning Fraser48:42 RAAM Gamesmanship Story51:45 Pain Management Truths53:23 VO2 Max Feels the Same55:54 Suffering as a Skill59:09 Cold Plunge Mindset Study01:00:52 Caffeine Placebo and Belief01:03:22 Heat Acclimation and 10K Prep01:04:36 Metabolic Flexibility Lens01:08:16 Teaching Diabetes Integration01:10:56 Bloodwork Meets Flexibility01:12:37 Where Fat Goes Wrong01:15:07 Sustainable Deficit Strategy01:16:34 Four Priorities Blueprint01:17:21 Protein and Carb Targets01:21:08 Sleep and Micronutrients01:27:06 Omega-3 Testing Nuance01:29:36 Wrap Up and Next Steps01:31:52 Newsletter and Flex Diet Cert01:33:20 Final Thanks and Subscribe Flex Diet Podcasts you may enjoy: Episode 344: Metabolic Adaptations, Lactate, and Training Smarter with Dr. Phil Batterson YouTube: https://youtu.be/PPZyO1nxSPAEpisode 383: Body Composition, Strength Training, and Sustainable Habits with Martin Silva YouTube: https://youtu.be/p8oM0gW488U Connect with Dr. Jenkins: Website: https://www.drnathanjenkins.com/Instagram: https://www.instagram.com/drnathanjenkins Get In Touch with Dr Mike: Instagram: DrmiketnelsonYouTube: @flexdietcertEmail: Miketnelson.com/contact-us
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    1 時間 34 分
  • Episode 386: Nervous System Regulation, Somatics, and Stress Resilience with Tracy Holemeyer

    Episode 386: Nervous System Regulation, Somatics, and Stress Resilience with Tracy Holemeyer
    2026/05/27
    In this episode of the Flex Diet Podcast, I sit down with my friend Tracy Holemeyer (Uncontrollably Me, host of the Other Way to See It podcast) to talk about healing and performance through nervous system flexibility, somatics, and self-awareness, especially with how much stress people are carrying right now. We dig into practical tools like orienting, grounding, the “starfish” drill, pendulation, and Tracy’s “core four” (soft eyes, relaxing the tongue, breath pacing for coherence, and soft knees), plus how posture and unconscious habits can shape mood and behavior. We also explore the value of community and coaching, how movement and sound (including humming, voo breath, and growling) can help regulate, and we finish with a thoughtful discussion on psychedelics, integration, and why support and discernment matter. Sponsors: Daily Fitness Insider Newsletter: https://flex-diet.kit.com/bfa1510fa8 Available now: Grab a copy of the Triphasic Training II book I co-wrote with Cal Deitz here. Episode Chapters: 02:59 Meet Tracy and Catch Up04:46 Micro Breaks and Orienting08:46 Starfish and Body Awareness10:44 Joints Posture and Anxiety17:37 Strategies Become Identity21:00 Awareness Coaching in Practice26:02 Coaching Community and Support32:44 Social Media Validation Trap36:13 Integrity and Business Alignment39:39 Trauma Weight and Safety41:57 Referrals Over Scarcity43:07 Abundance Through Uncertainty47:09 Money Purpose and Access52:57 Capacity and Ongoing Stress57:15 Pendulation and Core Four01:03:00 Movement Urgency and Sound01:08:55 Growling Music and Release01:15:23 Healing as Defiance01:16:59 Flow States and Community01:18:23 Recreation With Real Stakes01:20:13 Choosing Controlled Hardship01:21:09 Healthy Stress Builds Capacity01:23:34 Rewriting Trauma Responses01:25:28 Psychedelics And Integration01:34:07 Avoiding The Healing Shortcut01:37:10 Where Memories Live01:42:45 Four Tools For Stress01:46:19 Finding Tracy And Closing01:49:45 Podcast Wrap And Disclaimer Flex Diet Podcasts you may enjoy: Episode 354: How Shiftwave Reboots Your Nervous System w/ Dr. Jeff Rouse YouTube: https://youtu.be/XTPwIb3ZMxQEpisode 345: Sleep Like a Beast: Lessons from Jay Wiles and Jeffrey Durmer YouTube: https://youtu.be/8mVvceWn-Yw Connect with Tracy: Website: https://www.uncontrollablyme.com/Instagram: https://www.instagram.com/embodiedsomatics Get In Touch with Dr Mike: Instagram: DrmiketnelsonYouTube: @flexdietcertEmail: Miketnelson.com/contact-us
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    1 時間 53 分
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