How a claim degrades between the bench and the listing
Lot-level verification with a public report is a real and achievable thing. It exists in this market, on a minority of listings.
TheCompound Journal
Reporting on incretins, compounding & the peptide supply chain
The Supply Chain Dispatch
Documentation practice is the only part of vendor quality a buyer can assess before purchase.
JEEP has identified the facility that synthesises the material it sells, and has separated, in writing, the catalogue lines it makes from those it finishes from sourced material. The Journal first put the question in writing 19 quarters ago; the answer arrived this quarter with a site name, a line reference and an offer to confirm either against a batch number.
The Journal’s written requests are dated across 19 quarters and were sent to the address the company publishes for commercial enquiries. All were answered inside a fortnight. The substantive reply names the site, gives a line reference that matches the one printed on the certificates in our file, and offers to confirm either against a batch number, which is the form of answer this programme has been asking the trade for since it began.
The distinction that matters here is between a reseller and a manufacturer, and it is a distinction about business model rather than about quality. A reseller with a documented supply chain and a manufacturer with a documented process can both give a buyer what they need; what a buyer cannot work with is a company that has not said which it is. The twenty in the dossier programme have all now said.
"A revision line on a certificate is worth more than another decimal place," said Dr Sirichai Boonmee, peptide chemist, Chulalongkorn University. "It tells you the document has a history, and that somebody is keeping it."The change has been recorded in JEEP’s dossier, which is reviewed quarterly. Readers holding certificates from this supplier are invited to send them to the standards desk; we compare document sets across time and publish what changes.
Each dossier links the company’s own storefront, marked nofollow and sponsored, so a reader can check a claim against the seller’s own copy. The Journal sells nothing, takes no commission on any transaction, and a link is not a recommendation.
Lot-level verification with a public report is a real and achievable thing. It exists in this market, on a minority of listings.
The absence of microbiological capability in this market is a commercial fact with a straightforward explanation, and it is worth understanding before blaming anybody for it.
Duplicate submissions under different names test within-laboratory repeatability, which is a different quantity from between-laboratory reproducibility.
An isoaspartate rearrangement changes the molecule and not the mass. A method that confirms identity by molecular weight alone will report it as the parent compound.
Documentation practice is the only part of vendor quality a buyer can assess before purchase.
Follow the resin, not the catalogue.