🍪 CompoundTalk uses cookies to improve your experience, analyze traffic, and personalize content. By continuing to use this site, you agree to our Cookie Policy.
Evidence-based GLP-1 & peptide discussion since 2023
ForumsVerified VendorsSwiss Chems got an FDA warning letter — still using them?

Swiss Chems got an FDA warning letter — still using them?

VendorMark Fri, Jan 23, 2026 at 7:26 AM 7 replies 578 viewsPage 1 of 2
VendorMark
Senior Member
3,456
14,567
Jan 2024
Texas
Online
Jan 23, 2026 at 8:51 AM#1

⚠️ QUALITY ALERT ⚠️

I sent a vial of compounded semaglutide (Lot# SEM-2026-0287) to an independent lab for full panel testing. Identity and potency came back fine (97.4% — no complaints there). But the endotoxin test came back POSITIVE.

LAL (Limulus Amebocyte Lysate) test result: 8.2 EU/mL

The USP limit for injectable products is 5 EU/kg/hr, and most compounding pharmacies use a limit of ≤0.5 EU/mL for their products.

My result is 16x over the typical limit. I've been using this vial for 2 weeks.

I'm freaking out. What are the health implications? Has anyone else had this experience? I've already reported this to the pharmacy and my state board. I'm naming the pharmacy in this post because I think people need to know — it's [REDACTED BY MOD].

38 21DebRD_ATL, KristenIndy, MarkLI_maint and 35 others
Reply Quote Save Share Report
KristenIndy
Member
623
2,678
May 2024
Indianapolis, IN
Jan 23, 2026 at 9:08 AM#2

Andy, I've redacted the pharmacy name per forum rules — we can't allow naming without verified documentation. Please send the lab report to mod mail and we'll review. If verified, we'll allow the name to be posted. This protects both the community and the forum from liability.

That said, this is a serious report and I'm escalating it internally. 🔴

36 4amsterdam_pete, LondonLisa, mike_nyc and 33 others
Reply Quote Save Share Report
Dr.PeteFamMed
Senior Member
2,012
9,234
Jan 2024
Minneapolis, MN
Jan 23, 2026 at 9:25 AM#3

Andy — first, take a breath. Let me explain what this means clinically.

Endotoxins are lipopolysaccharides (LPS) from gram-negative bacterial cell walls. They can cause:

  • Fever (pyrogenic reaction)
  • Chills, body aches
  • In severe cases: sepsis, organ dysfunction

However, the risk depends on the dose delivered and your body's response. At 8.2 EU/mL with a small injection volume (say 0.1-0.2mL for a typical sema dose), your actual endotoxin exposure per injection was roughly 0.8-1.6 EU. For a 70kg person, the USP limit is 350 EU/hr (5 EU/kg × 70kg). So you were well under the systemic toxicity threshold.

That doesn't make it OK — the product fails specifications and shouldn't have been released. But you're likely not in medical danger from what you've already injected.

STOP using this vial immediately. If you develop fever, chills, or signs of infection at the injection site, go to the ER and tell them about the endotoxin exposure.

45 2LindaRN_retired, tommy_boulder, hyun_seoul and 42 others
Reply Quote Save Share Report

Janoshik Analytical — Independent Testing

Trusted third-party HPLC & mass spectrometry analysis. Verify peptide purity with the lab the community relies on. Independent. Accurate. Transparent.

Verify Your Peptides
josh_phd_bmore
Member
389
1,678
Jul 2024
Baltimore, MD
Jan 23, 2026 at 9:42 AM#4

Thank you for running those numbers. That math actually makes me feel a lot better. I haven't had any fever or unusual symptoms beyond normal sema side effects. Stopped using the vial immediately when I got the results.

I've sent the full lab report to mod mail. Happy to have the pharmacy name posted once verified. People need to know.

3 16KarenAZ_mom, zoe_NC, Dr.ObesityLA
Reply Quote Save Share Report
pam_columbus
Member
312
1,345
Aug 2024
Columbus, OH
Jan 23, 2026 at 9:59 AM#5

Former QC lab director weighing in. An endotoxin result of 8.2 EU/mL indicates a fundamental failure in sterile manufacturing processes. Endotoxins come from gram-negative bacteria, which means at some point in the production chain, bacterial contamination occurred. Even if the bacteria were killed during filtration/sterilization, endotoxins are incredibly heat-stable and difficult to remove.

This could indicate:

  • Contaminated raw materials (API or water)
  • Inadequate depyrogenation of glassware
  • WFI (Water for Injection) system failure
  • Environmental monitoring failures in the cleanroom

If one batch has this issue, others from the same facility likely do too. This is a systemic problem, not a one-off.

49 24emma_london, tammy_FL, Dr.LipidDallas and 46 others
Reply Quote Save Share Report

Similar Threads

WWB March 2026 batch — Janoshik results 99.1% semaglutide3 replies
GGPeps (GYC) tirzepatide — Finnrick grade A, 98.7% purity9 replies
QSC semaglutide US warehouse — 4 day delivery, 98.4% HPLC9 replies
WWB vs QSC vs GGPeps — which should I go with?18 replies
My first order from WWB — nervous but it arrived perfectly8 replies
ForumsNewTrendingMembersAccount

Log In

Forgot password?
No account? Register