Vol. 4, No. 33 — Week of September 8 Independent research-compound journalism, since 2022
Research Compound Weekly
Reporting and reader dispatches from the peptide & research-compound world
Research Compound Weekly / Archive
Archive

Every Issue

All of our reporting, organized by volume and issue number, newest first.

Vol. 4, No. 34

Week of September 15, 2026
Science

Tesamorelin Is the One FDA-Approved Drug in This Whole Category — Here's What Its Trials Actually Showed
Dana Whitfield · 8 min read
Science

The GHK-Cu Copper Peptide: Fifty Years of Wound-Healing Research
Marcus Ihejirika · 7 min read

Vol. 4, No. 33

Week of September 8, 2026
Investigation

The Purity Gap: Why Three Labs Can Test the Same Vial and Disagree
Dana Whitfield · 11 min read
Explainer

Inside a COA: Reading Past the Purity Percentage
Dana Whitfield · 6 min read
Industry

When a Supplier Goes Dark: A Buyer's Postmortem
Sarah Okonjo-Lund · 8 min read
Science

GLP-1, GIP, and Now Glucagon: Anatomy of a Triple Agonist
Marcus Ihejirika · 9 min read
Q&A

A Sterility Lab Tech on What “Pending” Actually Means
Interview by Dana Whitfield · 5 min read
Science

BPC-157 and the Gut-Brain Axis: What the Rat Studies Actually Show
Marcus Ihejirika · 10 min read
Industry

The Cold Chain Problem Nobody Talks About
Sarah Okonjo-Lund · 7 min read
Practical

Reconstitution Math, Explained Once and For All
Dana Whitfield · 7 min read

Vol. 4, No. 32

Week of September 1, 2026
Science

Semaglutide, Tirzepatide, and the Triple Agonists: A Field Guide
Marcus Ihejirika · 8 min read
Industry

The Customs Problem: What Actually Happens When a Package Gets Flagged
Sarah Okonjo-Lund · 8 min read
Science

Ipamorelin and CJC-1295: Why They're Almost Always Sold Together
Marcus Ihejirika · 7 min read

Vol. 4, No. 31

Week of August 25, 2026
Industry

Payment Processors Are Quietly Reshaping This Industry
Sarah Okonjo-Lund · 9 min read
Science

NAD+ and the Longevity Claim: Separating Mechanism from Marketing
Marcus Ihejirika · 8 min read
Practical

A Buyer's Guide to Reading Vendor Reviews Skeptically
Dana Whitfield · 6 min read

Vol. 4, No. 30

Week of August 18, 2026
Science

KPV and the Quiet Rise of Anti-Inflammatory Peptides
Marcus Ihejirika · 7 min read
Practical

Storage Mistakes That Quietly Ruin a Good Batch
Dana Whitfield · 6 min read

Vol. 3, No. 48

Week of December 15, 2025
Investigation

Why We Started Testing Third-Party COAs Ourselves
Dana Whitfield · 9 min read
Science

Semax and Selank: The Nootropic Peptides Nobody Can Pronounce
Marcus Ihejirika · 8 min read