AGEIST

After twenty five years as a traditional orthopedic surgeon, Dr. Elizabeth Yurth walked away from a specialty she says patches the body instead of heals it. This was a shift that eventually led her to found the Boulder Longevity Institute. In this conversation, she explains why a common knee surgery called arthroscopic debridement has been abandoned in most countries, and why cheap, decades-old lab values like creatinine and ALT are routinely misread by doctors who are misinformed on these measures. She also makes the case for treating peptides the same way we treat hormones: as naturally occurring compounds the body simply stops producing with age, not a bodybuilding shortcut or a biohacking fad. Dr. Yurth leaves listeners with a clearer, more skeptical eye for what is being marketed to them, and a working definition of healthy aging that shifts the focus from simply a lab report.

Join Us at the 2026 Super Age Games! Visit games.superage.com to learn more.

Special Thanks to Our Sponsors
BEAM Minerals: Plant-based liquid minerals for replenishing the foundational compounds your body needs to age well. Listeners can now get 20% off their first BEAM purchase by using the code "AGEIST" at checkout at BeamMinerals.com/ageist.
LMNT Electrolytes: Try the all-new Lemonade Iced Tea! Our #1 electrolyte mix for optimal hydration. Get a free 8-count Sample Pack of LMNT’s most popular drink mix flavors with any purchase by using our link here. Find your favorite LMNT flavor, or share with a friend.

Key Moments
"If all we're doing is patching people back up for them to fall apart again, what are we doing wrong?"
"They actually found that 80% of people worsened after this surgery, not just didn't get better."
"I don't need an $800 immune test to tell me. I can look at your neutrophil [to] lymphocyte ratio."

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Boulder Longevity Institute
Human Optimization Academy
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We're bringing back our May 2025 conversation with Denise Kirtley, the founder of Rebellion Body. As we look back on this message, Kirtley is preparing to head to the Super Age Games with the event's largest team yet, more than 50 women strong. Kirtley built her coaching business on the idea that midlife is not a decline to manage, but a version of life women get to design on purpose. In this conversation, she explains why belief, not willpower, is usually the first thing that has to change before a body does. She also gets into the backlash she receives for posting bikini photos in her fifties, her wariness about AI-generated bodies flooding social media, and why she thinks the phrase "50 is the new 30" gets the whole conversation backward. Listeners will come away with an answer to the question that stalls most people before they ever begin: what do you do on the days you don't feel motivated at all?

Join Us at the 2026 Super Age Games! Visit games.superage.com to learn more and read more about Team Rebellion Body's prep for the Games: How the Super Age Games' Biggest Team Is Preparing

Special Thanks to Our Sponsors
Timeline Nutrition: Our favorite supplement for cell support and mitochondrial function. Listeners can now get 20% off their first Timeline purchase by using the code “AGEIST” at checkout at TimelineNutrition.com/ageist.
LMNT Electrolytes: Try the all-new Lemonade Iced Tea! Our #1 electrolyte mix for optimal hydration. Get a free 8-count Sample Pack of LMNT’s most popular drink mix flavors with any purchase by using our link here. Find your favorite LMNT flavor, or share with a friend.

Key Moments
"I always like to say my new thing is 50 is the new 50."
"I think people think motivation is like this mythical thing that all of a sudden the clouds open and you get the sign from the heavens that ‘Now is the time.’ It doesn't work that way. You just do it."
"We cannot worry about the things that naturally happen as we age."

Connect with Denise Kirtley
Rebellion Body
Instagram

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Click Here for the full interview transcript.
Say hi to the AGEIST team!

Before Andrew Salisbury became captivated by the biochemistry of coffee, he set a Guinness World Record jumping out of a helicopter tethered to a bungee cord over Cancun, part of a career that has swung between call center software, extreme sports, and now one of the country's fastest-growing coffee companies. In this conversation, the founder of Purity Coffee explains why much of the coffee on the market fails basic testing for mold and heavy metals, and walks through how various factors change how much of coffee's antioxidant benefit actually reaches your cup. He makes the case that coffee's health benefits come from its polyphenols and chlorogenic acids rather than its caffeine, a distinction he says the industry gets backward. Listeners will also hear about his newest venture, a honey partnership with an indigenous community in the Amazon, and why he thinks the choice of what you drink every single day matters more than most supplements.
Bonus: Save 20% on your order at puritycoffee.com with code AGEIST
Join Us at the 2026 Super Age Games! Visit games.superage.com to learn more.

Special Thanks to Our Sponsors
Timeline Nutrition: Our favorite supplement for cell support and mitochondrial function. Listeners can now get 20% off their first Timeline purchase by using the code “AGEIST” at checkout at TimelineNutrition.com/ageist.
LMNT Electrolytes: Try the all-new Lemonade Iced Tea! Our #1 electrolyte mix for optimal hydration. Get a free 8-count Sample Pack of LMNT’s most popular drink mix flavors with any purchase by using our link here. Find your favorite LMNT flavor, or share with a friend.

Key Moments
"It's not the caffeine in the coffee that gives you the health benefits."
"You need to lab test [coffee] to make sure that it's free of mycotoxins."
"I went from the million dollar sort of systems that we were selling that would take a year, year and a half, to selling 25 dollar bags of coffee."

Connect with Andrew Salisbury
Purity Coffee
LinkedIn
Instagram (Purity Coffee)
Facebook (Purity Coffee)

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Click Here for the full interview transcript.
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Kim Alexis, 80s supermodel turned integrative health practitioner and host of the podcast Unexpired, talks about the mindset shift that let her build a real estate career, a fitness certification, and a health practice, all after turning 64. She explains why she has chosen against surgery, how she manages her arthritis, and why she makes conscious health decisions in her weekly routine. Alexis also opens up about her instinct to over-explain herself to fans who criticize her changing appearance, and the wisdom that has slowly replaced that people-pleasing habit with peace. She closes with what keeps her looking forward at 66: a new grandson, a growing podcast, and a daily practice of gratitude.

Join Us at the 2026 Super Age Games! Visit games.superage.com to learn more.

Special Thanks to Our Sponsors
Timeline Nutrition: Our favorite supplement for cell support and mitochondrial function. Listeners can now get 20% off their first Timeline purchase by using the code “AGEIST” at checkout at TimelineNutrition.com/ageist.
LMNT Electrolytes: Try the all-new Lemonade Iced Tea! Our #1 electrolyte mix for optimal hydration. Get a free 8-count Sample Pack of LMNT’s most popular drink mix flavors with any purchase by using our link here. Find your favorite LMNT flavor, or share with a friend.

Key Moments
"When people see me and they see that I've aged, it reminds them, because they grew up with me, that they have aged also."
"No fillers, no shots, no plaque injected in my face. I just don't want it."
"I would say go at life with a grateful, joyful heart and be looking around the corner."

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Website 
Unexpired 
Instagram
Facebook
LinkedIn
Super Health: Kim's Stories of Getting Her Health Back

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Click Here for the full interview transcript.
Say hi to the AGEIST team!

We're revisiting a favorite conversation this week: our September 2023 sit-down with Dr. Kelly Stankiewicz, one of our go-to dermatologists. Dr. Kelly specializes in laser skin treatments that combat the effects of aging and can even create a youthful glow, if that's your jam. We also break down the four core pillars of a sound skincare routine: cleanse, exfoliate, nourish, and protect. And I asked Dr. Kelly for context around Jimmy Buffett's death and the skin cancer he battled, along with what we can all do to protect ourselves.
Join Us at the 2026 Super Age Games! Visit games.superage.com to learn more.
Special Thanks to Our Sponsors
True Nutrition: Stop settling for what's on the shelf and build the protein blend that fits your lifestyle at truenutrition.com/AGEIST and use code AGEIST for 20% off your first custom blend.
Timeline Nutrition: Our favorite supplement for cell support and mitochondrial function. Listeners can now get 20% off their first Timeline purchase by using the code “AGEIST” at checkout at TimelineNutrition.com/ageist.
LMNT Electrolytes: Try the all-new Lemonade Iced Tea! Our #1 electrolyte mix for optimal hydration. Get a free 8-count Sample Pack of LMNT’s most popular drink mix flavors with any purchase by using our link here. Find your favorite LMNT flavor, or share with a friend.
Get in touch with Dr. Kelly
Website
Contact
 Key Moments:
“What's important is that you're hitting all four of the categories: sunscreens, antioxidants, exfoliants, and cleansers.”
“So people, when they hear that someone has died of skin cancer, they get very concerned because skin cancer is quite common. The type that Jimmy Buffett had is very, very rare. So all of my patients who've had multiple basal cell carcinomas and squamous cell carcinomas, which don't typically metastasize, are, you know, kind of up in arms because they don't really understand the difference.”
“When you're doing fractional resurfacing, you're decreasing your risk for skin cancer probably (or at least according to this one study) by about two times or maybe a little bit more.” 
Click Here for the full interview transcript.
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