All Tirzepatide Certificate of Analysis results— 7380 COAs
TitrateLab · Certificate of Analysis

Tirzepatide 98.6% Purity — GYCCertificate of Analysis · Independent third-party lab result

Tested purity 98.6% Acceptable purity
Dose vs label +4.8% Essentially at label
Evidence Asserted only Trust: low
AI summary Forum scrape

This COA was extracted from a community forum / Discord channel. The original poster claimed a lab named 'Peptide Test' tested GYC's Tirzepatide (batch 'GYC Volunteer Testing Group') at 98.579% purity, with a quantity deviation of +4.82% (62.89mg tested vs 60mg label). The test is stale (over a year old), and there's no endotoxin information. The lab's signature is not directly verifiable from this source, indicating a chain-of-custody gap.

Watch out for
  • stale (1+ years old)
  • no endotoxin test
  • chain-of-custody gap
Test date
2024-12-23
Testing lab
Peptide Test
Batch / lot
GYC Volunteer Testing Group
Quantity
62.89mg
label 60mg · tested 62.89mg
Endotoxins
Assay method
Context

How this result compares

This Tirzepatide certificate's tested purity of 98.58% ranks higher than 3% of the 7378 Tirzepatide certificates with a purity result we have catalogued (median 99.82%).

Tested 2024-12-23 by Peptide Test. This test is newer than 5% of our catalogued Tirzepatide certificates.

GYC has 282 certificates in our corpus, including 96 for Tirzepatide at a median tested purity of 99.84%.

Manufacturer
GYC
View vendor profile
Source

Third-party community lab

Asserted only
No verifiable evidence captured. This entry was added to our corpus from Third-party community lab. We did not save the certificate image, did not hash an artifact, and the upstream URL is either a domain root or absent — we cannot independently confirm this report existed. Treat as curator-asserted only.
Catalogued
2026-04-24
Related

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All Tirzepatide results & stats
This certificate is part of TitrateLab's community-trust corpus. See more from GYC or learn how trust scores are computed on the methodology page. New to lab reports? How to read a COA →