Testosterone

topic on 8 shows · 22 statements across 17 episodes

Founder's Journal More or Less American Optimist the Knowledge Project BigDeal My First Million the Paul Morris Podcast TBPN

22 statements about Testosterone, every show

Brit Morin: Women should microdose testosterone
“I'm convinced women should be microdosing testosterone.”
Brit Morin Jul 17, 2026 ▶ 48:38 Open Source AI Wins. Now Labs Are Running to Washington |Thinking Machines, Johnny Ive, Realtime API · More or Less Podcast
PAUL MORRIS Assertion Supported
Dr. Jonas Kuno: Finasteride Blocks DHT to Reduce Hair Loss and Prostate Growth
“Finasteride is something that can, Prevent the conversion of testosterone to dihydrotestosterone, DHT. And DHT is, one, it's bad for the half follicle, but can also cause prosthetic growth.”
Dr. Jonas Kuno Feb 16, 2026 ▶ 9:14 Chasing Wealth, Neglecting Health — The Real Consequences.
BIGDEAL Assertion Contradicted
Sanchez: Closed Rib Cage Posture Increases Cortisol and Lowers Testosterone
“So when your rib cage is closed like this, it's going to actually increase your cortisol. So that's your stress. And it's going to decrease your testosterone, which is like the aggressive energy that flows through us.”
Codie Sanchez Dec 22, 2025 ▶ 21:59 Stop Rambling: The 3-2-1 Speaking Trick That Makes You Sound Like A CEO
BIGDEAL Assertion Supported
Malik: Women Have More Testosterone Than Estrogen in Their Bodies
“So testosterone in women, we have more testosterone than we do estrogen in our bodies.”
Dr. Rena Malik Jun 11, 2025 ▶ 12:01 Get Your Sex Life Back! What Everyone Gets Wrong About Sex & Libido: Dr. Rena Malik
BIGDEAL Assertion Supported
Dr. Moore: Male testosterone rates and fertility are plummeting
“And then we've got abysmal fertility in men. We've got, you know, plummeting testosterone rates. So their swimmers are not swimming so well.”
Dr. Tyna Moore Mar 26, 2025 ▶ 39:03 Ozempic Expert: They’re Lying To You About Getting Fat | Dr. Tyna Moore
AMERICAN OPTIMIST Assertion Supported
Dr. Mike Israetel: Obesity radically decreases testosterone levels
“Another one is obesity. Radically decreases testosterone levels.”
Dr. Mike Israetel Mar 14, 2025 ▶ 15:52 Exercise Scientist: How AI & “Miracle Drugs” Can Make You Superhuman · Joe Lonsdale
Dr. Mike Israetel: Symptomatic older men with low testosterone should consider TRT
“So testosterone is one of those things that if you're older, if you're in your late thirties, forties, and so on, and blood tests confirm that you're on the low end and you have the symptoms of low testosterone, it is a very good idea to get testosterone repla…”
Dr. Mike Israetel Mar 14, 2025 ▶ 16:06 Exercise Scientist: How AI & “Miracle Drugs” Can Make You Superhuman · Joe Lonsdale
Dr. Mike Israetel: Testosterone is rarely the bottleneck for well-being and longevity
“But for most people, their testosterone is totally fine and absolutely not even close to the limiting factor on how they feel and their longevity and quality of life.”
Dr. Mike Israetel Mar 14, 2025 ▶ 16:26 Exercise Scientist: How AI & “Miracle Drugs” Can Make You Superhuman · Joe Lonsdale
BIGDEAL Assertion Supported
Dan Go: Higher Testosterone Makes Men More Independent Thinkers
“They've done studies where it's like when you have more testosterone in your body, when you're, when a guy has more testosterone in his body, he becomes more of an independent thinker.”
Dan Go Mar 12, 2025 ▶ 47:02 High Performance Coach: The Truth About Losing Weight & Belly Fat | Dan Go
BIGDEAL Assertion Supported
Alexander: Leydig cells produce over 90% of testosterone and infrared penetrates deeply
“The lighting cells, which produce something like the most testosterone, ninety-some percent of testosterone in your body, are in the testicles, and sun, the infrared rays, they penetrate quite deeply.”
Aaron Alexander Jan 8, 2025 ▶ 1:17:03 How to Complete Overhaul Your Health in 2025 | Aaron Alexander
TBPN Assertion Partly supported
Hays: Study links higher founder testosterone to more venture capital raised
“I, the positive thing from that study though, is that it seemed like the more venture capital the founders raised, the higher their T levels were.”
Jordi Hays Nov 14, 2024 ▶ 2:28:32 Low T levels at Y-Combinator (ep9)
KNOWLEDGE PROJECT Assertion Supported
Beshore: Alcohol is one of the biggest testosterone inhibitors in men
“Alcohol is one of, men, especially one of the biggest inhibitors of testosterone.”
Brent Beshore Jun 11, 2024 ▶ 46:18 Brent Beshore: Business Brilliance and Happiness at Home
MY FIRST MILLION Assertion Contradicted
Elite athletes experience a testosterone surge and cortisol drop under high pressure
“And they discovered there's a biochemistry of what they call championship biochemistry. It's where these people like Tom Brady's down by 10 points, and it's the fourth quarter of the Super Bowl, and he comes back the way to me. How? He has this huge surge of t…”
Tony Robbins Jan 22, 2024 ▶ 25:16 Tony Robbins Changes My Life (48 Minute Coaching Session)
FOUNDER'S JOURNAL Assertion Not checkable as stated
Swanson increased his free testosterone by 10% by eliminating household phthalates
“I measured free testosterone before and after, and it was 10% higher.”
Jonathan Swanson Jan 24, 2023 ▶ 51:18 Jonathan Swanson on Building a Unicorn and Delegating 90% of Your Life
Iacenza: Sexual initiation patterns are socially constructed rather than biological
“I think it really, probably most sex therapists would say it's more socially constructed than biologically determined, even though, yes, Cisgendered men have more testosterone in their systems than cisgendered women, let's say. There's a hormonal difference, w…”
Dr. Suzanne Iacenza Jun 21, 2022 ▶ 42:41 TKP Insights: Sex and Relationships
KNOWLEDGE PROJECT Assertion Supported
Walker: Peak testosterone release occurs during REM sleep, not exercise
“And we produce our peak levels of testosterone release, not during the day, or even after the gym, or just as we're working out during the gym, we produce our peak levels during REM sleep, just before and throughout that period of REM sleep.”
Dr. Matt Walker Feb 22, 2022 ▶ 33:58 #131 Matthew Walker: The Power of Sleep
Huberman: The main psychological effect of testosterone is making effort feel good
“Well, the main effect of testosterone is it makes effort feel good because of the way that it, you, it makes you, there's a readiness for challenge of all kinds, intellectual challenges, philanthropic challenges.”
Dr. Andrew Huberman Nov 18, 2021 ▶ 1:17:08 Dr. Andrew Huberman’s Path to Fame, Money, and Total Human Optimization
MY FIRST MILLION Assertion Contradicted
Huberman: Tongkat Ali and Fadogia can raise testosterone by ~200 ng/dL
“But those supplements done properly from the right sources can increase testosterone by about 200 nanograms per deciliter.”
Dr. Andrew Huberman Nov 18, 2021 ▶ 1:19:35 Dr. Andrew Huberman’s Path to Fame, Money, and Total Human Optimization
MY FIRST MILLION Assertion Partly supported
Huberman: Short-term stress raises testosterone, while prolonged stress depletes it
“Duncan's work has shown in peer reviewed studies that Short-term stress raises testosterone. Stress that lasts more than a day or two or training sessions that go more than 90 minutes, that depletes testosterone.”
Dr. Andrew Huberman Nov 18, 2021 ▶ 1:24:58 Dr. Andrew Huberman’s Path to Fame, Money, and Total Human Optimization
MY FIRST MILLION Assertion Supported
Mares: Male testosterone has declined by 50% over the last 40 years
“Male testosterone is down 50% over the last, like, 40 years.”
Justin Mares Jun 25, 2021 ▶ 48:10 How to launch a $100M DTC brand | My First Million #194
MY FIRST MILLION Assertion Supported
Mares: Phthalates in plastics significantly damage human testosterone and endocrine systems
“The whole class of something called phthalates, which is P H T P T H L A T E S. That, that effectively have like a really Strong negative impact on one's testosterone, ones like endocrine and hormonal systems, and they're, that are in like everything.”
Justin Mares Jun 25, 2021 ▶ 50:38 How to launch a $100M DTC brand | My First Million #194
Iasenza: Sexual initiation patterns are more socially constructed than biologically determined
“Yeah, I think it really, probably most sex therapists would say it's more socially constructed than biologically determined, even though, yes, Cisgendered men have more testosterone in their systems than cisgendered women, let's say.”
Suzanne Iasenza Feb 4, 2020 ▶ 37:43 #75 Suzanne Iasenza: Rewriting Relationship Narratives

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