Flex Diet Podcast

In this episode of the Flex Diet Podcast, I catch up with my good friend Jason Brown to dig into the intersection of strength training and aerobic development. We talk through how to implement aerobic conditioning in the real world, what zone two training actually is (and isn’t), and the pros and cons of different training methodologies.  Jason shares his thoughts on concurrent training, functiona...

In this episode of the Flex Diet Podcast, I sit down with my good friend Aram Grigorian from the Real Coaches Summit to talk shop on what actually matters in coaching today. We dig into body composition and weight loss, why consistency still beats novelty, and how to think more clearly about calorie tracking without losing the forest for the trees. We also get into industry trends, client complian...

In this episode of the Flex Diet Podcast, I sit down with Dr. Lauren Colenso-Semple to cut through the noise and tackle some of the most persistent myths in women’s fitness. We break down where misinformation shows up in popular programs, why overly complicated plans often backfire, and what the science actually says about fasted training and low energy availability.  We also get into hot topics l...

Welcome back to the Flex Diet Podcast! Today, I’m hanging out with the brilliant Katie Emerson, Senior Manager of Scientific Affairs over at Kyowa Hakko USA, aka the people behind Cognizin (CDP Choline), one of the few brain-boosting ingredients with legit research behind it. We dig into the real science of CDP Choline, how it supports memory, focus, and cognitive performance, and where it actuall...

On this episode of the Flex Diet Podcast, I sit down with my good buddy and lab-coat-wearing performance wizard, Dr. Andrew Koutnik. We talk about how to boost muscle performance, improve body composition, and feel like an athletic human without dumpster-firing your health . We dig into cold water immersion (and when it can kick gains in the shins), blood glucose regulation, ketogenic diets, carbs...

In this episode of the Flex Diet Podcast, I sit down with my good friend Dr. Tommy Wood to dig into his upcoming book, The Stimulated Mind — a ridiculously practical guide to building a better brain. We get into all kinds of fun rabbit holes: how technology is changing fitness, why lactate (yes, the same stuff you curse during hard intervals) is actually rocket fuel for your brain, and why a solid...

In this episode of the Flex Diet Podcast, I sit down with Dr. Jeff Rouse from Shiftwave to talk about his mind-bending device that claims to reset your nervous system. I’ll be honest, when I first saw it, I was skeptical. But after trying it at the Parker University conference, I was blown away by what it did. We dig into how the tech works, why it’s so effective for both physical and mental healt...

In this episode of the Flex Diet Podcast, I sit down with my good friend Dr. John Rusin to dig into his new book, Pain-Free Performance: Move Better, Train Smarter, and Build an Unbreakable Body . We talk all things movement, strength, and longevity—how to actually perform at a high level without wrecking yourself in the process. John drops some serious wisdom from decades of training and coaching...

In this episode of the Flex Diet Podcast , I sit down with my good friend Dr. Dan Pardi for a deep dive into all things health, longevity, and cognitive performance. We get into the science of stem cells and aging , the real benefits (and limits) of popular supplements, and how nootropics like Ritalin and Modafinil actually work—or don’t—in the real world. We also talk about how to integrate train...

In this episode of the Flex Diet Podcast, I’m joined by Dr. Eila Wolf, who specializes in functional neurology and Chinese medicine. We dig into how these fields come together to help people dealing with concussions, migraines, and chronic pain — and why traditional approaches often fall short. Dr. Wolf walks us through the science behind her methods, including how acupuncture, vestibular work, an...

In this episode of the Flex Diet Podcast , I’m joined by Erin Silver Lee , the CEO of Flow Neuroscience . We dig into some seriously cool stuff — including Flow’s recent acquisition of the Halo device , which uses non-invasive brain stimulation (TDCS) to boost both athletic and mental performance . Erin and I talk about how this tech works, what the current research says, and how it’s being applie...

In this episode of the Flex Diet Podcast, I dive into practical ways to boost muscle growth, enhance performance, and improve body composition — all within a flexible, health-focused framework. I also talk about my Physiologic Flexibility Certification , which is closing for enrollment soon, and unpack key concepts like Human Dynamic Range (HDR) and cross-adaptation . HDR is all about building a w...

In this episode, I’m sharing a special rebroadcast of my chat with Dr. Mikki Williden all about physiologic flexibility, including how to train your body to handle stress and adapt better. We cover metabolic flexibility, heat and cold exposure, sauna and cold therapy, lactate and buffering systems, plus CO₂ and O₂ tolerance. You’ll learn how these systems connect to boost performance, recovery, an...

In this episode, I break down my Physiologic Flexibility Certification — an advanced course designed to help you build a more adaptable, resilient body. I’ll walk you through the four key pillars of human performance: temperature regulation, pH balance, fuel use, and air/CO₂ control. You’ll hear how this cert expands on my Flex Diet Certification to improve recovery, strength, and overall health u...

In this episode of the Flex Diet Podcast, I chat with Dr. Blaine Lints, a former Navy SEAL and performance physiologist, about boosting performance, muscle, and resilience through flexible strategies. We dig into his research on ketones, caffeine, and theacrine, plus his work using Ibogaine for TBI recovery. I also break down how physiologic flexibility ties it all together for next-level performa...

In this episode of the Flex Diet Podcast, I’m diving headfirst into the science of sleep with two heavy hitters—Dr. J Wiles and Dr. Jeff Dermer from Absolute Rest. We cover it all: why sleep is such a big deal from an evolutionary standpoint, how your modern lifestyle is probably trashing it, and what you can actually do to fix it. We dig into behavioral changes, the role of wearables versus legit...

On this episode of the Flex Diet Podcast, I’m joined once again by Dr. Phil Batterson to nerd out on one of my favorite topics: anaerobic metabolism. We dig into what’s really happening during high-intensity training, the role of lactate, and why much of the “anaerobic vs. aerobic” discussion you hear is oversimplified (or just plain wrong). We also get into the nuts and bolts of how your bioenerg...

On this episode of the Flex Diet Podcast, I sit down with Dan Hunter to talk all things “corporate athlete.” If you’re trying to crush it at work and not feel like a melted quesadilla by 3 p.m., this one’s for you. We dig into the real-world challenges of staying sharp under stress, from building sustainable habits to fueling your brain with tools like creatine, ketones, and amino acids. We also e...

On this episode of the Flex Diet Podcast, I’m joined by award-winning journalist and food nerd David Page, the guy who created Diners, Drive-Ins and Dives . We get into the wild evolution of American cuisine, the social role of food, and how to balance eating what you love with not tanking your health. David also shares his personal story with diabetes and weight loss, plus some practical cooking...

On this week’s Flex Diet Podcast, I sit down with Angelo Keely, co-founder of Kion, to geek out on all things essential amino acids (EAAs). We’ll dig into the nitty-gritty science and—more importantly—what that means for you in the real world. Want to pack on more muscle? Drop some fat without feeling wrecked? Stay strong and sharp as the years tick by? EAAs can help—if you know how to use them. W...

In this week’s Flex Diet Podcast, I sit down with fitness expert Bryan Boorstein to dig into the idea of “Meathead Cardio.” Brian has been in the lifting world for years, but over time, he began adding more cardio into his routine—and not only did it stick, it actually improved his performance and health.  We talk about why hybrid training isn’t the enemy of muscle, how to balance lifting and card...

Welcome back to the Flex Diet Podcast. I’m Dr. Mike T Nelson, and today I’ve got a great conversation lined up with Coach Troy Beauregard from Canada. We dig into one of my favorite rabbit holes: performance tracking for athletes. We cover why it’s so important to keep tabs on what’s happening in the gym and how you don’t need super-fancy gear to start collecting meaningful data. Of course, we als...

Join me on The Flex Diet Podcast as I break down the iconic 1996 Tabata study that’s been hyped for its fat-burning benefits. Tabata training has become a fitness staple, but is it really all it’s cracked up to be? I’ll uncover the myths, dive into the science, and explain why true Tabata isn’t exactly beginner-friendly. Learn about its real effects on body composition and how you can modify it fo...

On this episode of the Flex Diet Podcast, I chat with Dr. Mike Roberts, a full professor at Auburn University and head of the Nutri Bolt Applied and Molecular Physiology Lab. Mike’s one of the sharpest minds in muscle science, and we go deep into the nitty-gritty of hypertrophy, including everything from rodent studies to human trials to the molecular pathways that drive muscle growth. We get into...

In this episode of the Flex Diet Podcast, I break down how to train your cardio without wrecking your strength gains. We’re digging into the real roles of your aerobic and anaerobic systems—why most lifters skip the boring base work, and why that’s a big mistake if you want better performance and recovery. I also share a sneak peek at the upcoming Flexible Meathead Cardio Level 2 course, which cov...