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EMBody Radio

The Longevity Nutrient: Why C15 May Be the Most Important Molecule You’ve Never Heard Of | with Dr. Stephanie Venn Watson and Emily Duncan

EMBody Radio

Emily Duncan

Embodyradio, Health & Fitness, Self-improvement, Nutrition, Health, Bikinicompetitions, Education, Wonderwomanmentality, Npcbikini, Fitness

4.91K Ratings

🗓️ 14 August 2025

⏱️ 61 minutes

🧾️ Download transcript

Summary

Dr. Stephanie Venn-Watson is back on the show, and this time, we’re going deep into the science of longevity. In this episode, we unpack the groundbreaking research behind C15:0, the first essential fatty acid discovered in over 90 years, and how it’s shifting everything we thought we knew about saturated fats, aging, and living longer well. We also talk about the launch of her new book, The Longevity Nutrient, and why this unassuming molecule might be the key to unlocking healthier aging, better mitochondrial function, deeper sleep, appetite regulation, and even improved dopamine levels.

We break down:

  • What C15 is (and why it matters)

  • The difference between lifespan and health span

  • Longevity molecules like rapamycin, metformin, and why C15 may outperform both

  • The longevity regulating pathway and what it means for your future

  • The real story behind saturated fats and how cellular fragility may be the result of decades of dietary misinformation

  • Why you might feel calmer, more satiated, and more energized within weeks of taking C15

If you're a biohacker, wellness lover, or just someone who wants to live better for longer—this episode is a must-listen.

Dr. Steph's new book, The Longevity Nutrient

Dr. Steph's first episode on EMBody Radio

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Transcript

Click on a timestamp to play from that location

0:00.0

Longevity, really it's more about democratizing longevity of how can we live as healthy for as long as possible.

0:07.6

That's when a lot of people talk about health span versus lifespan.

0:11.8

But in this case, it's also saying, hey, by extending our health for as long as possible, that also results in us extending our lifespan.

0:20.4

And that's where C-15 comes in.

0:22.9

Welcome to Embody Radio, the premiere podcast for ambitious women ready to elevate their body,

0:27.7

mind, and life to the next level. On this show, we've used high performance, wellness and aesthetics,

0:32.5

and self-mastery into a real-world blueprint for personal excellence. Each week, you'll get real, grounded strategies

0:38.7

and unfiltered conversations with high performers who walk the talk, no fluff, and no fake hype.

0:43.8

Because excellence isn't an accident. It's embodiment. And this is Embody Radio.

0:50.3

Today's guest is one of the most brilliant and disruptive voices in the health and longevity space.

0:55.6

Dr. Stephanie Van Watson is a serial entrepreneur, veterinarian, and public health scientist

1:00.0

whose work has spanned the CDC, DARPA, the World Health Organization, and the Department

1:04.2

of Defense. She's launched groundbreaking research programs, founded Epitracker and Seraphina

1:09.1

therapeutics, and holds over 40 patents.

1:12.7

But what she's most known for is now a discovery that's flipping everything we thought we knew

1:17.5

about fats on its head. C-15, also known as pentadecanoic acid, is the first essential fatty

1:23.6

acid to be discovered in over 90 years. You've probably heard of omega-3s in their importance

1:28.5

as essential fatty acids, but C-15 has kind of gone under the radar. And here's the twist.

1:34.3

It's a saturated fat, primarily found in full fat dairy like butter and cheese. And for decades,

1:40.4

we've been told to avoid those foods at all costs. But Dr. Steff's research reveals

1:45.2

that some saturated fats may not only be safe, they may actually be critical to our long-term

1:49.8

health, cellular resilience, and even mood, sleep, and longevity. In today's episode, we're

...

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