There is no discontinuation syndrome, and that changes the argument
The best argument for tapering is behavioural rather than pharmacological, and it deserves to be made on its own terms.
Archive — August 2025
Page 3 of 5 of this archive, newest first.
A supplier suspends shipping to Turkey after 6 consecutive customs detentions
The route did not close because of a rule about peptides.
Wuhan export categories for peptide intermediates were quietly renamed
Follow the resin, not the catalogue.
Portugal declines to reimburse exenatide outside a specialist service
Efficacy was never the question in this appraisal. Duration of treatment was.
The consolidator trading as Meridian Freight Partners closes after 19 years
A proper account of an operation that existed, and of what closing it cost.
What STEP 4 and SURMOUNT-4 actually established
The dose-response curve in this class flattens near its top. That has direct consequences for whether the final rung is worth climbing.
What changed at WXT in August, and what the company says prompted it
Documentation practice is the only part of vendor quality a buyer can assess before purchase.
Medutest result on a Tianjin tirzepatide lot lands 4.3 points above the supplier’s stated figure
The supplier confirmed the determination and supplied the method behind its own figure inside a week.
The slide that was not in the abstract
Reported from the sessions, and from the two hours afterwards.
The substudies, read properly: who was scanned, when, and with what
The composition data comes from imaging substudies enrolling a few score participants at selected sites. It is the best evidence available and it is thin.
What the GLP-1 receptor actually does when survodutide binds it
The receptor is expressed in more tissues than the popular account allows, and that is the whole story.
Independent analysis puts a WWB exenatide lot at 97.8%, against 95.3% on the certificate
The result is unremarkable. What the report states alongside it is not.
Xi'an export categories for peptide intermediates were quietly renamed
Follow the resin, not the catalogue.
Halvard & Pike Apothecary of Portland, Maine closes after 22 years
A proper account of an operation that existed, and of what closing it cost.
The 21-day notice: how a compounding wind-down works in the United Arab Emirates
The document is four pages. Three of them are about dates.
What VendorInvestigate would need in order to certify sterility, and why it does not
We asked all four services what they can determine, on what timescale, at what price, and under what accreditation. The answers are printed in full.
The supply gap as a clinical event
Cost is the modal reason for discontinuation in every dataset we have seen, and it is absent from the clinical literature.
Holograms, QR codes and other things that are not verification
Reported from the analysis, not from a warning notice.
What a 6% rise in coupling-reagent prices does to a 15 mg vial
Follow the resin, not the catalogue.
Why summer is a documented quality problem in this trade
The route did not close because of a rule about peptides.
From the floor in Nantong: 17 posters, one theme
Reported from the sessions, and from the two hours afterwards.
We split six vials four ways and posted them
Two years ago we ran an anonymised version of this comparison and promised a named one. This is it, with every method printed in full.
Rapid weight loss moves eight analytes for reasons that have nothing to do with the drug
Three different explanations for the same abnormal number, and how to tell them apart.
FGP names the synthesis and fill sites behind its catalogue
Documentation practice is the only part of vendor quality a buyer can assess before purchase.
A shortage listing ends. 7 pharmacies now have a business model and no legal basis for it.
The document is four pages. Three of them are about dates.
The relabeller trading as Vantris Bio enters a consent decree and stops sterile preparation
The observation that closes a facility is rarely the dramatic one.
Six words a verification badge would need to mean anything
What a verification mark would have to carry to be checkable: a date, a lot, a method, a submitter and a link to the report.
Asparagine, glycine, and the two residues that decide a shelf life
Deamidation, oxidation, aggregation and hydrolysis account for nearly all of what happens to a peptide over time. Each has a characteristic residue, a characteristic…
Grams per kilogram of what? The denominator problem in protein guidance
The denominator matters more than the ratio: per kilogram of body weight, of ideal weight, or of lean mass gives three different targets.
A shortage listing ends. 13 pharmacies now have a business model and no legal basis for it.
The document is four pages. Three of them are about dates.
What a 17% rise in coupling-reagent prices does to a 5 mg vial
Follow the resin, not the catalogue.
Janoshik result on a Chengdu cagrilintide lot lands 1.8 points above the supplier’s stated figure
The Journal submitted the sample and paid for the analysis. The vendor was told in advance.
Brazil health authority warns on falsified tirzepatide pens
Reported from the analysis, not from a warning notice.
A supply gap is a pharmacological event
Concentrations fall by half a week, so a month away leaves a small fraction of steady state. Resuming at the previous dose presents the receptor with a step it has not seen…
What the new Saudi Arabia guidance says about stopping
The evidence base is thin and the document says so, which is to its credit.
Tianjin export categories for peptide intermediates were quietly renamed
Follow the resin, not the catalogue.
Independent analysis puts a GL Biochem exenatide lot at 96.5%, against 93.6% on the certificate
The report states the gradient, the wavelength and the integration threshold, which is more than most.
The quiet end of the online reseller trading as Adamant Research Supply
A proper account of an operation that existed, and of what closing it cost.
Two decimal places, one injection, no procedure
Chromatographic purity is cheap, fast and comparable-looking. Those three properties, and not its usefulness, explain why it became the industry’s single figure of merit.
The eighteenth month, and the conversation that should have happened in the third
What the trials measured was continuation against withdrawal. What patients want to know is continuation at a lower dose, and that study has largely not been done.