Essentials: How to Control Your Metabolism by Thyroid & Growth Hormone

Huberman Lab

Scicomm Media

Science, Health & Fitness, Life Sciences

4.8 • 26.2K Ratings

🗓️ 6 March 2025

⏱️ 35 minutes

🔗️ Recording | iTunes | RSS

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Summary

In this Huberman Lab Essentials episode, I explain how two key hormones control metabolism and discuss tools to enhance their levels to improve metabolic health. I discuss the pathways through which the brain and body interact to produce thyroid hormone and growth hormone, and how these hormones influence essential processes like tissue growth and repair, body composition, and energy production. I explain how thyroid hormone levels are influenced by key nutrients, such as iodine, selenium, and L-tyrosine. I also explain how practices such as exercise, sleep, meditation and sauna can offset age-related declines in growth hormone, to optimize overall hormone health and metabolism. Huberman Lab Essentials are short episodes (approximately 30 minutes) focused on essential science and protocol takeaways from past Huberman Lab episodes. Essentials will be released every Thursday, and our full-length episodes will still be released every Monday. Read the full episode show notes at hubermanlab.com. Thank you to our sponsors AG1: https://drinkag1.com/huberman Eight Sleep: https://eightsleep.com/huberman David: https://davidprotein.com/huberman Timestamps 00:00:00 Huberman Lab Essentials; Hormones & Metabolism 00:01:41 Hypothalamus, Pituitary, Thyroid 00:03:22 Thyroid Hormone Functions, Tools: Iodine, Selenium, L-Tyrosine 00:07:55 Sponsor: Eight Sleep 00:09:27 Thyroid Hormone, Glucose & Metabolism; Thyroid Hormone Disorders 00:11:45 Growth Hormone Functions, Prescription Growth Hormone 00:14:41 Growth Hormone Release, Tools: Sleep & Bedtime Fasting 00:16:07 Growth Hormone Release, Tool: Meditation 00:18:21 Sponsor: AG1 00:19:24 Growth Hormone Release, Tools: Exercise, Warm-Up, Glucose, Cool Down 00:22:04 Growth Hormone Supplements, Arginine 00:24:07 Offsetting Age-Related Growth Hormone Decline 00:25:05 Temperature & Growth Hormone, Tool: Sauna Protocol 00:29:23 Sponsor: David Protein 00:30:38 Peptides, Sermorelin, Secretagogues, Risk 00:33:26 Recap & Key Takeaways Disclaimer & Disclosures

Transcript

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0:00.0	Welcome to Huberman Lab Essentials, where we revisit past episodes for the most potent and actionable science-based tools for mental health, physical health, and performance.
0:11.4	I'm Andrew Huberman, and I'm a professor of neurobiology and ophthalmology at Stanford School of Medicine.
0:17.6	This podcast is separate from my teaching and research roles at Stanford. It is,
0:21.7	however, part of my desire and effort to bring zero cost to consumer information about science
0:26.1	and science-related tools to the general public. Today, we are going to talk about two hormones,
0:31.9	thyroid hormone and its related pathways, and growth hormone and its related pathways, which arguably are the
0:40.3	two hormones and two systems in the body that are most significant for setting your overall
0:46.2	level of metabolism.
0:47.8	So metabolism is the consumption of energy, not necessarily eating, but it's the use of energy in the cells of the body
0:56.0	for growth of tissues, for repair of tissues, and also just for day-to-day maintenance of function.
1:04.0	These two hormones, thyroid hormone and growth hormone, we think of as related to metabolism
1:09.0	of things in the body, keeping body fat low and keeping
1:12.3	muscles strong and tendons strong and repairing themselves, et cetera, but they are also key for
1:18.0	brain function for the ability to maintain cognitive function throughout the lifespan.
1:23.1	So the big theme I'd like to introduce is that metabolism isn't just about losing weight,
1:30.7	but having a high metabolism,
1:32.3	provided it's not too high, is great.
1:34.0	It means that you will have more lean tissue,
1:35.9	more bone and muscle and less adipose tissue, fat.
1:39.5	And we know that that's healthy.
1:41.1	There are neurons in your brain
1:42.5	in an area called the hypothalamus,
	...

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