Vol. 3, No. 6 — June 2026Independent since 2024

TheCompound Journal

Reporting on incretins, compounding & the peptide supply chain

A monthly journal of record.
30 issues · 32 contributors
Not medical advice. We sell nothing.

Investigations

Twelve multi-part investigations, each running across issues with numbered instalments. A series is opened when a question turns out to need more than one piece, and it is closed when it is answered or when we run out of ways to ask.

12 series · 84 instalments

16 instalments

The Purity Question

A fourteen-part investigation into what a purity percentage means, who produces it, and why two laboratories analysing the same vial can both be right.

Edited by Callum Brathwaite

11 instalments

Cold Chain

What actually happens to a peptide between a warehouse in Guangdong and a refrigerator in Leeds.

Edited by Lucía Berenguer

12 instalments

Twenty Vendors, Twenty Vials

The Journal buys one vial from each of the twenty companies whose names appear most often on the label, and submits every one to independent analysis.

Edited by Noor Haddadin