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Evidence-based GLP-1 & peptide discussion since 2023
ForumsBuyer BewareIs there a way to verify if a vendor has been FDA warning-lettered? Page 2

Is there a way to verify if a vendor has been FDA warning-lettered?

DadBodDave Fri, Jan 30, 2026 at 7:10 AM 9 replies 604 viewsPage 2 of 2
VendorMark
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Jan 30, 2026 at 10:00 AM#6

This is exactly why third-party testing matters. The pharmacy's own COA presumably said endotoxins passed. Either they didn't actually test, their test was flawed, or they falsified the result. None of those options are acceptable.

Andy, I know you reported to the state board. I'd also recommend filing with FDA MedWatch. Even for compounded products, FDA tracks adverse event reports and they can trigger inspections.

10 8DebRD_ATL, KristenIndy, MarkLI_maint and 7 others
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hyun_seoul
Member
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Jul 2024
Seoul, KR
Jan 30, 2026 at 10:17 AM#7

Filed with MedWatch this morning. Also contacted a lawyer. Not sure if I have a case since I haven't had adverse health effects (thankfully), but I want this documented.

2 15GenomicsKate, Dr.ObesityMed
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BenResearch_OR
Senior Member
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Dec 2023
Oregon
Jan 30, 2026 at 10:34 AM#8

UPDATE: We've verified Andy's lab report. The pharmacy in question is now named in the Quality Alerts section of the forum. We've also reached out to the pharmacy for comment — no response yet.

If you've used this pharmacy, we strongly recommend getting your current vials tested. Janoshik offers endotoxin testing as part of their full panel.

This thread is now pinned as a Quality Alert. Stay safe everyone. 🛡️

34 8Dr.NateNeph, PharmD_Rodriguez, julia.endo and 31 others
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