JEEP — orange-cap Tirzepatide T30, January 2026 batch

The most-documented batch-quality failure in our 2026 corpus. Endotoxin contamination on injection-grade product, confirmed by community-funded third-party labs (LS testing ran the three vials; the original kit was also sent to Liquilabs for verification retest) across three independently-sourced vials from different countries.

JEEP (also seen written as “JEEPJEEP” in vendor-side communications, branded around a sales rep called “Molly JEEP” on glp1forum.com) is a China-based research peptide vendor that maintains an active vendor account in the GLP-1 Forum marketplace. Through 2025 and into early 2026, JEEP ran the standard vendor-sponsor playbook: holiday-sale announcement threads, promo discount codes, customer-testimonial replies. Volume was high enough that the vendor was treated as mainstream-trustworthy by a meaningful slice of the community.

Timeline: - January 2026 — JEEP ships orange-cap Tirzepatide 30mg (“T30”) to a customer cohort across multiple countries. - April 8, 2026 — A community-funded test through LS testing confirms endotoxin contamination across three independently-sourced vials of the January batch. EU = endotoxin units; the USP <85> chapter on bacterial-endotoxin testing for parenteral-use product expects an undetectable result on injection-grade material, with a maximum-allowable per-dose calculation that for a typical Tirz dose lands in the single digits.

Three independent vials, three independent donors, three concentrations of dilution test, all converging on the 1,350-2,306 EU/vial range. This is not measurement variance. The original kit was also sent to Liquilabs for an independent retest as of mid-April; that result is pending at the time of writing. - April 8 onwards — Community-wide “Endotoxin Warning” thread spins up on glp1forum.com (64+ posts as of mid-April). A separate “Enter your JEEP batch number and see the differences in your kit” thread starts collecting batch-by-batch reports from customers worldwide. - Mid-April 2026 — JEEP’s vendor announcement thread on the same forum has accumulated 173+ posts as community pressure for an official response builds. Vendor’s response in that thread is mostly promotional sales posts, no batch recall.

Why endotoxin matters here: endotoxins are bacterial-cell-wall lipopolysaccharides that survive most peptide-purification steps if the upstream synthesis was contaminated. They are not destroyed by standard sterile-filtration. On injection (subcutaneous, intramuscular, IV), endotoxin triggers a fever-and-inflammation response (the historical “pyrogen reaction”); at the levels reported on this batch, repeated dosing carries cumulative risk. This is the safety signal that USP <85> exists to catch.

Why this is a vendor-level event, not a one-off: the three vials were sourced from different customers’ independent purchases of the same January batch. They were not the same physical inventory. A fault that crosses customers in different countries and different dilution windows points at the upstream production lot, not the testing lab and not handling-after-shipment.

Primary sources: community safety-warning thread documenting the LS testing results; community-wide “Endotoxin Warning” discussion thread; batch-number aggregation thread; vendor announcement thread (for context on the vendor’s response posture).