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The mindbodygreen Podcast

636: The ultimate guide to peptides | Elizabeth Yurth, M.D.

The mindbodygreen Podcast

mindbodygreen

Alternative Health, Health & Fitness

4.52.1K Ratings

🗓️ 8 February 2026

⏱️ 43 minutes

🧾️ Download transcript

Summary

"They look magical on Instagram, but they're not magic. Micronutrients have to be in place, your hormones have to be in place," explains Elizabeth Yurth, M.D., Elizabeth Yurth, M.D., a double board-certified physician in Physical Medicine & Rehabilitation and Anti-Aging/Regenerative Medicine, joins us on the podcast to discuss why peptides are much more than an Instagram trend, what forms of peptides might be most beneficial, and how to be mindful of safety and quality if you’re trying to incorporate them into your own protocol. Show Notes (00:00) Introduction to peptides (02:31 ) Endogenous vs. exogenous peptides (03:15) Growth hormone (05:25) Peptides for muscle & immune health (07:19) The peptide explosion & safety concerns (08:11) BPC 157: A remarkable peptide? (10:38) Quality & sourcing of peptides (16:54) Anti-aging & HRT (20:54) Peptides for cognitive health (24:27) COVID-19 & neuroinflammation (27:12) Addressing chronic inflammation & resilience (39:12) The importance of nutrition & lifestyle Referenced in this episode: Follow Dr. Yurth on Instagram (@dryurth) Find out more about her work (https://boulderlongevity.com/about/dr-elizabeth-yurth) We hope you enjoy this episode, and feel free to watch the full video on YouTube! Whether it's an article or podcast, we want to know what we can do to help here at mindbodygreen. Let us know at: podcast@mindbodygreen.com.Referenced in the episode: Learn more about your ad choices. Visit megaphone.fm/adchoices

Transcript

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0:00.0

Welcome to the Mind Buddy Green podcast. I'm Jason Wacob, founder and co-CEO of My Buddy Green and your host.

0:07.3

Being an adult sucks. Adults, they have to work all day. When adults get mail, it's always bills and bills suck.

0:18.7

Sure, but we've got a driver's license.

0:24.0

Enjoy 4.9% APR representative with up to four years free servicing on the Alpine A290 plus range at your Alpine store. PCP, mobilized financial services,

0:30.1

order between the 6th and the 23rd of February 2006. TNCs apply. Visit Alpine-carse.com.com.

0:35.7

For more information. Today's guest is Dr. Elizabeth

0:42.2

Youirth, a pioneer in regenerative and functional medicine who has been at the forefront of

0:46.6

peptide therapy long before it became an Instagram sensation. Dr. Earth specializes in

0:52.2

helping patients optimize their health through strategic

0:54.9

peptide use, hormone replacement, and a deep understanding of the body's natural biochemical

0:59.9

pathways. In today's show, we explore what peptides actually are and how they're different from

1:05.1

hormones and therapies and why quality sourcing matters more than most people realize.

1:11.3

We also discuss why peptides are not magic pills and should not be used in isolation,

1:16.6

how to think about peptides for women in midlife alongside HRT,

1:20.4

and the promising role of peptides in cognitive health and reducing neuroinflammation.

1:25.4

Let's get to it.

1:29.3

So how do you define peptides?

1:31.9

So basically think about peptides as small protein chains. So if you look at a protein,

1:37.2

it's really greater than 50 amino acids. So proteins are just amino acid chains like glycine,

1:42.7

argentine, lysine, right? They're just strings of amino acids linked together by bonds.

1:48.3

Protein makes it greater than 50 amino acids.

1:51.2

And then a peptide is anywhere from 2 to 48 amino acids, right?

...

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