Who's Using Peptides?
A record of public figures — physicians, scientists, athletes and biohackers — who have openly discussed peptide research in interviews, podcasts and publications.
We document only what has been said publicly. Each figure below opens a profile where every mention is traced back to its original interview, podcast, post or article — so you can read the source yourself. Inclusion reflects public discussion of this research area; it is not an endorsement of Pepnerd or its products.
Physicians

Dr. Mark Hyman
Physician · Functional Medicine
Founder of The UltraWellness Center and senior advisor at the Cleveland Clinic Center for Functional Medicine; dedicates a chapter of 'Young Forever' to peptide therapy.

Dr. Craig Koniver
Physician · Performance Medicine
Performance-medicine physician and founder of Koniver Wellness; discussed clinical peptide therapy on the Huberman Lab podcast.
Scientists & Researchers
Biohackers & Longevity

Bryan Johnson
Entrepreneur · Biohacker
Founder of Kernel and creator of Project Blueprint — a heavily documented longevity protocol that includes several peptides alongside published biomarker tracking.

Dave Asprey
Biohacker · Bulletproof Founder
Founder of Bulletproof and host of The Human Upgrade; has covered BPC-157, CJC-1295, Ipamorelin and GHK-Cu across dozens of episodes.

Ben Greenfield
Health Consultant · Author · Podcaster
Author of Boundless and host of Ben Greenfield Life; one of the most prolific public documenters of personal peptide protocols.

Gary Brecka
Human Biologist · Longevity Expert
Human biologist and co-founder of 10X Health System; host of The Ultimate Human, known for extensive peptide-therapy content.

RFK Jr.
Politician · Health Advocate
U.S. Secretary of Health and Human Services; has openly discussed his personal use of peptides and supports easing regulatory restrictions on them.

Jay Campbell
Author · Hormone & Peptide Educator
Hormone and peptide author and educator; publishes detailed protocols on growth-hormone peptide stacks.
Athletes

Jeremy Renner
Actor · Marvel Avengers
Actor known for Hawkeye in the Marvel Cinematic Universe; after a near-fatal 2023 accident he publicly credited peptide therapy as part of his recovery.

Chris Bumstead
IFBB Pro · 6× Mr. Olympia
Six-time Mr. Olympia Classic Physique champion; discussed his recovery peptide protocol on Gary Brecka's Ultimate Human podcast.
Media & Public Voices

Joe Rogan
Podcaster · Comedian
Host of The Joe Rogan Experience, one of the world's most-listened-to podcasts; has discussed peptide use with guests including Dr. Peter Attia.

Tim Ferriss
Author · Podcaster · Investor
Author of The 4-Hour Body and host of The Tim Ferriss Show; has documented BPC-157 use for surgical recovery on his blog and podcast.

Gwyneth Paltrow
Actor · Goop Founder
Actor and founder of Goop; has named NAD+ and peptide shots among her longevity and wellness tools.
How we document this
This page is a reference, not a marketing claim. We hold every entry to the same sourcing standard, and we draw a hard line between what someone said in public and Pepnerd itself.
Sourcing
Public statements only
We include figures only where the discussion happened on the record — a podcast, interview, published book, article or social post. No private claims, no inference, no hearsay.
Traceability
Every mention is sourced
Each profile lays out a timeline of documented mentions, and each one links to its original source so you can read or listen to it in full context yourself.
Positioning
Reference, not endorsement
Listing a public figure records their interest in this research area. It is not a claim that they use, endorse or are affiliated with Pepnerd or its products.
Compliance
Research Use Only
Nothing here is medical advice or a usage recommendation. All Pepnerd products are for laboratory and research use. Spotted an error in a citation? Tell us and we'll correct it.
Pepnerd is not affiliated with, sponsored by, or endorsed by any individual named here. References reflect publicly reported interest in peptide science and are provided for educational purposes only. All products are for Research Use Only.
