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How to Control Your Metabolism by Thyroid & Growth Hormone

Huberman Lab

The Huberman Lab podcast is hosted by Andrew Huberman, Ph.D., a neuroscientist and tenured professor in the department of neurobiology, and by courtesy, psychiatry and behavioral sciences at Stanford School of Medicine. The podcast discusses neuroscience and science-based tools, including how our brain and its connections with the organs of our body control our perceptions, our behaviors, and our health, as well as existing and emerging tools for measuring and changing how our nervous system works.
Huberman has made numerous significant contributions to the fields of brain development, brain function, and neural plasticity, which is the ability of our nervous system to rewire and learn new behaviors, skills, and cognitive functioning. He is a McKnight Foundation and Pew Foundation Fellow and was awarded the Cogan Award, given to the scientist making the most significant discoveries in the study of vision, in 2017. 
Work from the Huberman Laboratory at Stanford School of Medicine has been published in top journals, including Nature, Science, and Cell, and has been featured in TIME, BBC, Scientific American, Discover, and other top media outlets.
In 2021, Dr. Huberman launched the Huberman Lab podcast. The podcast is frequently ranked in the top 10 of all podcasts globally and is often ranked #1 in the categories of Science, Education, and Health & Fitness.

This episode discusses metabolism and how our thyroid hormone and growth hormone control our metabolism. I also clarify that metabolism isn't just about burning energy, it’s about converting energy from different sources into fuels for building and repairing our tissues such as muscle, brain, and tendons and mobilizing energy from body fat storage. I discuss the role of iodine, selenium, and salt for thyroid health, and how specific exercise protocols, amino acids and temperature can dramatically shift levels of growth hormone release in waking and in sleep. I also describe the current landscape of prescription compounds, peptides and other factors for changing levels of thyroid and growth hormone, and some of their risks. Throughout the episode, mechanisms and tools grounded in specific mechanisms are discussed.
Supplements from Thorne
https://www.thorne.com/u/huberman
Timestamps
(00:00:00) Introduction
(00:06:05) Thyroid & Growth Hormone
(00:08:44) Food Shapes: Do They Matter?
(00:11:43) Stevia: Naming & Impact
(00:13:30) Metabolism 101: Your Brain the Furnace
(00:17:33) Releasing Hormones From Your Brain, Stimulating Hormones from Your Pituitary
(00:21:04) Thyroid Hormone’s Real Effects: Growth, Repair and Energy Consumption of Tissues
(00:22:45) Iodine, L-Tyrosine & Selenium: The Trio Essential For Thyroid Function
(00:26:05) How Much Iodine Do We Need? By Food, Supplement or Ocean Air
(00:28:09) Selenium For Thyroid: Brazil Nuts & Other Valuable Sources
(00:33:05) Selenium For Pregnancy, Prostate Cancer Risk, Acne
(00:35:20) “Clean Eating” Downsides: Cruciferous Vegetables, Leeching Iodine
(00:39:00) Other Benefits of Iodine: Reducing Inflammation
(00:41:00) Why & How Increased Thyroid Increases Metabolism
(00:42:12) What To Eat To Support Your Brain
(00:43:00) Hyperthyroidism (Too Much) & Hypothyroidism (Too Little)
(00:44:35) Menstruation: Thyroid Carbohydrate & Sugar Craving
(00:45:33) Ketogenic Diet & Its Effects On Thyroid, Rebound Weight Gain
(00:48:39) Growth Hormone: What, Why & How
(00:51:18) Growth Hormone (GH) Changes Across The Lifespan & Risks of GH Therapy
(00:53:40) How To Powerfully Increase Growth Hormone: Know The Natural Triggers
(00:54:49) Not Eating Within 2hrs of Sleep: Keep Blood Glucose Low(ish) At Sleep
(00:55:43) Delta Wave Brain Activity Is the Trigger For Growth Hormone Release
(00:58:25) LOW Doses of Melatonin Supplementation For Increasing GH Release
(01:01:00) Book: Altered Traits, Binaural Beats? Delta Waves Access
(01:04:35) Specific Types & Duration of Exercise That Stimulate Growth Hormone & Warmups
(01:08:40) Keeping Low Blood Glucose & Ensuring A Cool Down For Two Phase GH Release
(01:10:36) Sex Differences For WHEN During Exercise Growth Hormone and IGF-1 Release Occurs: Males Have To Last Longer
(01:14:10) Supplements That Increase Growth Hormone 100-400% (or more): Arginine, Ornithine
(01:18:20) Arginine & Exercise Together Can Be Counter-Productive
(01:19:50) L-Citrulline Better For Arginine Than Arginine Itself (?!); & Blood Pressure Caution
(01:23:09) Growth Hormone Changes Across The Lifespan: No One Escapes
(01:26:00) Heat (& Cold) for Triggering Extremely Large Increases In Growth Hormone
(01:29:20) Specific Heat Protocols For Increasing Growth Hormone: Up To 16-Fold (?!)
(01:34:30) 2021 (New) Study: Heat Increases GH, & Lowers Cortisol, No Effects On Testosterone, DHEA Or Prolactin
(01:36:00) Prescription Growth Hormone, & Emerging Peptides Therapeutics, Secretagogues Etc.
(01:42:25) Synthesis, Summary Of Actionable Steps For Increasing GH and Thyroid Hormone
(01:44:00) Zero Cost & Other Ways to Support Our Podcast; & Thank You!

This episode discusses metabolism and how our thyroid hormone and growth hormone control our metabolism. I also clarify that metabolism isn't just about burning energy, it’s about converting energy from different sources into fuels for building and repairing our tissues such as muscle, brain, and tendons and mobilizing energy from body fat storage. I discuss the role of iodine, selenium, and salt for thyroid health, and how specific exercise protocols, amino acids and temperature can dramatically shift levels of growth hormone release in waking and in sleep. I also describe the current landscape of prescription compounds, peptides and other factors for changing levels of thyroid and growth hormone, and some of their risks. Throughout the episode, mechanisms and tools grounded in specific mechanisms are discussed.
Supplements from Thorne
https://www.thorne.com/u/huberman
Timestamps
(00:00:00) Introduction
(00:06:05) Thyroid & Growth Hormone
(00:08:44) Food Shapes: Do They Matter?
(00:11:43) Stevia: Naming & Impact
(00:13:30) Metabolism 101: Your Brain the Furnace
(00:17:33) Releasing Hormones From Your Brain, Stimulating Hormones from Your Pituitary
(00:21:04) Thyroid Hormone’s Real Effects: Growth, Repair and Energy Consumption of Tissues
(00:22:45) Iodine, L-Tyrosine & Selenium: The Trio Essential For Thyroid Function
(00:26:05) How Much Iodine Do We Need? By Food, Supplement or Ocean Air
(00:28:09) Selenium For Thyroid: Brazil Nuts & Other Valuable Sources
(00:33:05) Selenium For Pregnancy, Prostate Cancer Risk, Acne
(00:35:20) “Clean Eating” Downsides: Cruciferous Vegetables, Leeching Iodine
(00:39:00) Other Benefits of Iodine: Reducing Inflammation
(00:41:00) Why & How Increased Thyroid Increases Metabolism
(00:42:12) What To Eat To Support Your Brain
(00:43:00) Hyperthyroidism (Too Much) & Hypothyroidism (Too Little)
(00:44:35) Menstruation: Thyroid Carbohydrate & Sugar Craving
(00:45:33) Ketogenic Diet & Its Effects On Thyroid, Rebound Weight Gain
(00:48:39) Growth Hormone: What, Why & How
(00:51:18) Growth Hormone (GH) Changes Across The Lifespan & Risks of GH Therapy
(00:53:40) How To Powerfully Increase Growth Hormone: Know The Natural Triggers
(00:54:49) Not Eating Within 2hrs of Sleep: Keep Blood Glucose Low(ish) At Sleep
(00:55:43) Delta Wave Brain Activity Is the Trigger For Growth Hormone Release
(00:58:25) LOW Doses of Melatonin Supplementation For Increasing GH Release
(01:01:00) Book: Altered Traits, Binaural Beats? Delta Waves Access
(01:04:35) Specific Types & Duration of Exercise That Stimulate Growth Hormone & Warmups
(01:08:40) Keeping Low Blood Glucose & Ensuring A Cool Down For Two Phase GH Release
(01:10:36) Sex Differences For WHEN During Exercise Growth Hormone and IGF-1 Release Occurs: Males Have To Last Longer
(01:14:10) Supplements That Increase Growth Hormone 100-400% (or more): Arginine, Ornithine
(01:18:20) Arginine & Exercise Together Can Be Counter-Productive
(01:19:50) L-Citrulline Better For Arginine Than Arginine Itself (?!); & Blood Pressure Caution
(01:23:09) Growth Hormone Changes Across The Lifespan: No One Escapes
(01:26:00) Heat (& Cold) for Triggering Extremely Large Increases In Growth Hormone
(01:29:20) Specific Heat Protocols For Increasing Growth Hormone: Up To 16-Fold (?!)
(01:34:30) 2021 (New) Study: Heat Increases GH, & Lowers Cortisol, No Effects On Testosterone, DHEA Or Prolactin
(01:36:00) Prescription Growth Hormone, & Emerging Peptides Therapeutics, Secretagogues Etc.
(01:42:25) Synthesis, Summary Of Actionable Steps For Increasing GH and Thyroid Hormone
(01:44:00) Zero Cost & Other Ways to Support Our Podcast; & Thank You!
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