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Peptides, on the record

A running, cited collection of what people are actually saying about peptides - sorted into two tracks: the grey market & safety and the science, business & culture. Every quote is verbatim and linked to its source. Filter by track; use the copy button to grab a quote with its attribution.

"If a therapy has good data, we'd like to see it." - Marty Makary, MD, FDA Commissioner · STAT / Undark, 2026
For journalists. These are direct quotes from public sources, provided for reference. Peppies is an independent education resource, does not sell peptides, and makes no claim that any peptide treats or cures anything. Quotes reflect the views of the speakers, not Peppies. Please verify against the linked source before publication.

This action begins to restore regulated access and will immediately begin shifting demand away from the black market.
RK
Robert F. Kennedy Jr.
U.S. HHS Secretary
Grey MarketFiercePharma, 2026
You're going to get a lot of charlatans, and you're going to get people who have bad results. ... Leaving the whole thing in the hands of pharma is not working for us.
RK
Robert F. Kennedy Jr.
U.S. HHS Secretary
Grey MarketSTAT / Undark, 2026
If a therapy has good data, we'd like to see it.
MM
Marty Makary, MD
FDA Commissioner
Grey MarketSTAT / Undark, 2026
The black market and the gray market are running amok. American consumers would be a lot better off if the FDA would allow compounding of peptides that have a demonstrated track record of safety.
SB
Scott Brunner, CAE
CEO, Alliance for Pharmacy Compounding
Grey MarketNPR, 2026
Given the scale of demand - demand that is going to be met, if not by a state licensed compounding pharmacy, then by the black and gray markets - we believe the lens that the FDA is using related to these peptides is the wrong lens.
SB
Scott Brunner, CAE
CEO, Alliance for Pharmacy Compounding
Grey MarketProPublica, 2026
The greatest public health danger today lies not in medically supervised use, but in these unchecked black and gray markets.
JA
Jerome M. Adams, MD, MPH
20th U.S. Surgeon General
Grey MarketSTAT News, 2026
This wasn't supposed to be a route for unapproved drugs to get into the market. Not even Congress was thinking that.
JW
Janet Woodcock, MD
Former FDA Acting Commissioner
Grey MarketProPublica, 2026
It would be a disruption of the societal pact we have had since 1962 that drugs will be studied to see if they work before they are marketed in the U.S.
JW
Janet Woodcock, MD
Former FDA Acting Commissioner
Grey MarketProPublica, 2026
You don't even know what you're buying inside that bottle. It could be a peptide. It could be a steroid. It could be something just like water.
MF
Matthew Fedoruk, PhD
Chief Science Officer, U.S. Anti-Doping Agency
Grey MarketSTAT / Undark, 2026
Honestly, I feel bad for the FDA, because they're playing a game of Whac-a-Mole.
TD
Tenille Davis, PharmD
Chief Advocacy Officer, Alliance for Pharmacy Compounding
Grey MarketSTAT / Undark, 2026
The reality is people are getting them, and they're getting them from very disreputable sources where they don't know what's in them. They're injecting themselves with things that are potentially dangerous.
MS
Myles Spar, MD
Integrative medicine physician; CMO, WndrHLTH
Grey MarketNPR, 2026
Even if it may have anti-inflammatory properties injected into your knee ... if it causes liver failure, it's a concern, right? These types of things just have to be evaluated.
EK
Eileen Kennedy, PhD
Chemical biologist, UNC Eshelman School of Pharmacy
Grey MarketNPR, 2026
The question will be whether the FDA can follow up enough so that consumers aren't misled and more black market and shady producers don't pop up on the scene.
RF
Robin Feldman, JD
FDA-law expert, UC Law San Francisco
Grey MarketNPR, 2026
It is illegal for people to sell experimental therapies on the Internet for human consumption. There is nothing grey about it.
MK
Matt Kaeberlein, PhD
Longevity researcher, University of Washington
Grey MarketNature, 2026
What's going on here is the advisory committee may be stacked with people who are known to have certain viewpoints on a topic rather than who are coming at this in an unconflicted and unbiased way.
AK
Dr. Aaron Kesselheim
Professor, Harvard Medical School
Grey MarketNPR, 2026
Anyone who undergoes any sort of medical treatment, no matter how benign, needs to be very wary that even the most benign intervention can have fatal side effects.
AG
Amy Gutman, MD
Emergency-room physician; RAADfest speaker
Grey MarketProPublica, 2025
The FDA's actions during the Biden administration opened up the Wild Wild West.
LR
Lee Rosebush, PharmD, JD
Pharmacist & attorney; represents peptide makers
Grey MarketNPR, 2026
This is not a dozen or so things you can buy at the gym. This is a revolution in science. It's going to start a new era of drug discovery.
PC
Pinchas Cohen, MD
Dean, USC Leonard Davis School of Gerontology
People should not be taking them until they're fully tested. The history of shortcuts is not a happy one.
PC
Pinchas Cohen, MD
Dean, USC Leonard Davis School of Gerontology
The GLP-1 category is approaching another important inflection point, driven mainly by the launch of oral therapies and the expansion of Medicare access. These new dynamics are likely to significantly expand adoption.
TF
Terence Flynn
Head of U.S. Pharma & Biotech, Morgan Stanley Research
This is not about me getting prizes. It's about me actually not being erased from the scientific literature.
SM
Svetlana Mojsov, PhD
Rockefeller University; foundational GLP-1 scientist
ScienceSTAT News, 2023
Seeing something go from discovery to patents to approval, it's like winning a lottery.
DD
Daniel J. Drucker, MD
Endocrinologist; foundational GLP-1/incretin scientist
I'm part of two experiments, not just one. I was part of the experiment that made us so much more obese. And now I'm part of the experiment that's reversing that using drugs.
JH
Johann Hari
Author, Magic Pill
CultureTODAY, 2024
There is no hiding place for those who cynically put the public's health at risk for profit. Medicines regulation isn't discretionary - it exists to protect people.
AM
Andy Morling
Head of Criminal Enforcement, UK MHRA
Grey MarketGOV.UK / MHRA, 2026
There has been a sharp rise in illegal medicines ... often sold via fraudulent websites and promoted on social media. These products are not authorised and do not meet necessary standards of quality, safety and efficacy.
EU
European Medicines Agency
EU medicines regulator (statement)
Grey MarketEMA, 2025
As the availability of unapproved peptide products has increased, so too has evidence of potential risk to consumers.
AL
Prof. Anthony Lawler
Head of Australia's Therapeutic Goods Administration (TGA)
The stable gastric pentadecapeptide BPC 157 is an anti-ulcer peptidergic agent, safe in inflammatory bowel disease trials, native and stable in human gastric juice.
PS
Predrag Sikirić, MD, PhD, and colleagues
University of Zagreb - the team that discovered BPC-157 (Croatia)
BPC-157 has been unjustly accused of potentially harmful effects.
PS
Predrag Sikirić et al.
University of Zagreb (Croatia), replying to safety critiques

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