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Transform Your Health by Improving Metabolism, Hormone & Blood Sugar Regulation | Dr. Casey Means

In this episode, my guest is Dr. Casey Means, MD, a physician trained at Stanford University School of Medicine, an expert on metabolic health and the author of the book, "Good Energy." We discuss how to leverage nutrition, exercise and environmental factors to enhance your metabolic health by improving mitochondrial function, hormone and blood sugar regulation. We also explore how fasting, deliberate cold exposure and spending time in nature can impact metabolic health, how to control food cravings and how to assess your metabolic health using blood testing, continuous glucose monitors and other tools. Metabolic dysfunction is a leading cause of chronic disease, obesity and reduced lifespan around the world. Conversely, improving your mitochondrial and metabolic health can positively affect your health span and longevity. Listeners of this episode will learn low- and zero-cost tools to improve their metabolic health, physical and mental well-being, body composition and target the root cause of various common diseases. Read the full show notes, including referenced articles and additional resources: https://go.hubermanlab.com/nFNXu30 *Thank you to our sponsors* AG1: https://drinkag1.com/huberman Maui Nui Venison: https://mauinuivenison.com/huberman Eight Sleep: https://eightsleep.com/huberman AeroPress: https://aeropress.com/huberman InsideTracker: https://insidetracker.com/huberman *Follow Huberman Lab* Instagram: https://www.instagram.com/hubermanlab Threads: https://www.threads.net/@hubermanlab Twitter: https://twitter.com/hubermanlab Facebook: https://www.facebook.com/hubermanlab TikTok: https://www.tiktok.com/@hubermanlab LinkedIn: https://www.linkedin.com/in/andrew-huberman Website: https://www.hubermanlab.com Newsletter: https://www.hubermanlab.com/newsletter *Dr. Casey Means* Website: https://www.caseymeans.com Good Energy (book): https://amzn.to/4b1RoRH Newsletter: https://www.caseymeans.com/newsletter Instagram: https://www.instagram.com/drcaseyskitchen X: https://twitter.com/CaseyMeansMD Facebook: https://www.facebook.com/CaseyMeansMD TikTok: https://www.tiktok.com/@caseymeansmd YouTube: https://www.youtube.com/@CaseyMeansMD Instagram: https://www.linkedin.com/in/casey-means-md *Timestamps* 00:00:00 Dr. Casey Means 00:02:18 Sponsors: Maui Nui, Eight Sleep & AeroPress 00:06:32 Metabolism, Metabolic Dysfunction, Medicinal Blindspot 00:14:17 Trifecta of Bad Energy 00:24:02 Western Living, United States, Specialization & Medicine 00:27:57 Insulin Resistance, Tool: Mitochondrial Capacity & Exercise 00:33:33 Sponsor: AG1 00:35:03 Tools: Walking & Glucose; Frequent Movement 00:44:25 Tools: Exercises to Improve Mitochondrial Capacity; Desk Treadmill 00:51:18 Soleus Push-Ups & Fidgeting, Non-Exercise Activity Thermogenesis (NEAT) 00:57:14 Sponsor: InsideTracker 00:58:21 Tool: Blood Test Biomarkers, Vital Signs & Mitochondrial Function 01:11:16 Navigate Medical System & Blood Tests, Consumer Lab Testing 01:16:46 Tool: Environmental Factors; Food, Life as a Process 01:21:58 Tool: Ultra-Processed vs. Real Food, Obesity, Soil & Micronutrients 01:32:03 Ultra-Processed Foods: Brain & Cellular Confusion 01:39:10 Tools: Control Cravings, GLP-1 Production, Microbiome Support 01:51:42 Ozempic, GLP-1 Analogs; Root Cause & Medicine 02:00:54 Tool: Deliberate Cold & Heat Exposure, Brown Fat 02:07:27 Tool: Intermittent Fasting & Metabolic Flexibility; Insulin Sensitivity 02:17:03 Tool: Continuous Glucose Monitors (CGMs) & Awareness, Glucose Spikes 02:24:34 Tool: CGMs, Glycemic Variability, Dawn Effect, Individuality 02:33:10 Sleep; Continuous Monitoring & Biomarkers 02:37:39 Mindset & Safety, Stress & Cell Danger Response 02:44:04 Tool: Being in Nature, Sunlight, Fear 02:54:44 Zero-Cost Support, Spotify & Apple Reviews, Sponsors, YouTube Feedback, Social Media, Neural Network Newsletter #HubermanLab #Health #MetabolicHealth Disclaimer: https://www.hubermanlab.com/disclaimer

Andrew HubermanhostDr. Casey Meansguest
May 6, 20242h 56mWatch on YouTube ↗

CHAPTERS

  1. 0:00 – 23:30

    Defining Metabolism as the Foundation of Health

    Huberman introduces Dr. Casey Means and frames the episode as a deep dive into metabolic health, mitochondrial function, and hormone and blood sugar regulation. Means redefines metabolism as the core energy system driving virtually all health outcomes, criticizes the U.S. medical system’s siloed approach, and explains why metabolic dysfunction underlies nine of the ten leading causes of death.

  2. 23:30 – 54:30

    Mitochondria, Cell Danger Response, and the Trifecta of Bad Energy

    Means explains what mitochondria are and how rapid changes in food, sleep, movement, light, toxins, temperature, and stress environments in the last 50–75 years are overwhelming them. She introduces the “cell danger response,” describing how dysfunctional mitochondria trigger chronic inflammation and oxidative stress that underlie most chronic diseases.

  3. 54:30 – 1:24:00

    Insulin Resistance, Fuel Overflow, and Building Mitochondrial Capacity

    They zoom in on how mitochondrial overload creates insulin resistance and fat storage despite caloric excess. Means outlines first principles for restoring metabolic health: increase the number and function of mitochondria, and ask them to process more substrate via mitophagy, biogenesis, fusion, and targeted exercise.

  4. 1:24:00 – 1:47:00

    Walking, NEAT, and Practical Movement Prescriptions

    Means and Huberman detail why frequent low-level movement may be more metabolically important than a single daily workout. They review studies on step counts, short walking bouts, and under-desk treadmills, and discuss the metabolic benefits of NEAT (non-exercise activity thermogenesis) and even “soleus push-ups.”

  5. 1:47:00 – 2:12:00

    Exercise Modalities and Temperature as Mitochondrial Training

    This segment connects specific exercise types and thermal exposures to distinct mitochondrial adaptations. Means maps endurance, zone‑2, HIIT, and resistance training onto biogenesis, mitophagy, and fusion, then discusses cold and heat as additional, optional tools to improve mitochondrial and brown fat function.

  6. 2:12:00 – 2:45:00

    Labs Everyone Should Know and How to Read Them Metabolically

    Means outlines a set of basic, inexpensive lab tests that reveal early metabolic dysfunction and explains how to interpret them as a composite picture of what’s happening inside cells. She encourages people to move beyond “green/yellow/red” flags in portals and instead infer mitochondrial stress from patterns like rising glucose, triglycerides, and blood pressure.

  7. 2:45:00 – 3:18:00

    Food Quality, Satiety Hormones, and Escaping Ultra-Processed Traps

    The discussion shifts fully to nutrition. Means emphasizes that obesity is fundamentally driven by ultra-processed, nutrient-poor foods that hijack hunger, reward, and microbiome signaling, not by a simple failure of willpower. She describes how GLP‑1 and other satiety pathways can be powerfully stimulated by whole foods and specific compounds without drugs.

  8. 3:18:00 – 3:40:00

    Ozempic, GLP‑1 Drugs, and the Limits of Pharmacologic Fixes

    They address GLP‑1 agonists (Ozempic, Wegovy, Mounjaro), contrasting their impressive weight-loss effects with their failure to change the environmental and cellular root causes of metabolic disease. Means is critical of the growing push to medicalize obesity, especially in children, and points to historical patterns where chronic disease drugs do not reduce disease prevalence.

  9. 3:40:00 – 4:01:00

    Time-Restricted Eating, Meal Timing, and Sleep–Glucose Interactions

    The conversation turns to eating windows and circadian alignment. They discuss how compressing eating time and shifting calories earlier in the day improves metabolic parameters, while chronic grazing and late-night eating impair metabolic flexibility. Huberman also touches on sleep’s powerful effects on glucose regulation.

  10. 4:01:00 – 4:20:00

    Continuous Glucose Monitoring as a Personal Metabolic Lab

    Huberman and Means walk through what CGMs can reveal beyond simple fasting glucose, including early insulin resistance, glycemic variability, food-specific responses, and stress effects. They share practical insights from the Levels dataset and published studies on how lifestyle tweaks (food order, fiber, walking, resistance training) show up in the glucose trace.

  11. 4:20:00

    Mindset, Fear, and Reclaiming Health Through Nature and Awe

    In the final section, Means broadens the lens to psychology and environment. She argues that chronic exposure to fear (media, unresolved trauma, death denial) keeps mitochondria locked in a defensive posture. Reconnecting with nature, light, and cycles is portrayed as a powerful and often overlooked metabolic intervention that restores a sense of safety and belonging.

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