Vol. 4, No. 40 — Week of October 27 Independent research-compound journalism, since 2022
Research Compound Weekly
Reporting and reader dispatches from the peptide & research-compound world

This Week’s Reporting

Industry

A Year of Reporting on This Industry: What's Actually Changed

Issue No. 40. We looked back at a year of coverage to ask what's genuinely different in this market now versus when we started — and what hasn't moved at all.

Dana Whitfield · 10 min read
Science

Pentadeca Arginate (PDA): BPC-157's Stabilized Successor?

It's marketed as an improved, more stable version of BPC-157. The modification is real chemistry — the comparative human evidence for the claimed improvement isn't there yet.

Marcus Ihejirika · 7 min read
Science

Gonadorelin: The Peptide Buyers Use Alongside Other Compounds

It's an approved diagnostic and therapeutic hormone with a specific, narrow clinical use. The way it's actually used in this market looks nothing like that.

Marcus Ihejirika · 7 min read
Industry

Why Research-Compound Advertising Keeps Getting Deplatformed

Sellers lose ad accounts and social pages on a recurring cycle. The pattern behind it says something about how major platforms actually classify this entire category.

Sarah Okonjo-Lund · 8 min read
Investigation

FOXO4-DRI: The Senolytic Peptide Still Mostly in Mice

The original mouse study produced some of the more striking before-and-after images in aging research. Human data has not followed at anything like the same pace.

Dana Whitfield · 8 min read
Explainer

The Difference Between a Recall and a Voluntary Pull

Both sound like a seller admitting a problem. They mean very different things about who found the issue and why.

Dana Whitfield · 6 min read

From Our Readers

Every issue, we run a few dispatches from readers — their own research, their own tracking, their own questions. These are personal accounts, not claims, and not medical advice. Read more letters →

“

I started keeping a proper log after reading your COA explainer — lot numbers, dates, which lab tested what. It sounds obsessive until the one week something doesn’t add up, and suddenly you’re glad you have it. Made me a much more careful buyer.

R. Halloran — Portland, OR
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The cold chain piece finally explained something that had been bugging me for months — why two orders from the same supplier looked completely different on arrival. It was never the compound. It was August in a cardboard box.

J. Ferreira — Austin, TX
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I’ve been in this community three years and this is the first outlet that talks to us like we can handle nuance. Not everything needs to be "miracle" or "scam." Sometimes it’s just: here’s what the data says, here’s what it doesn’t.

T. Okafor — Cleveland, OH