All Retatrutide Certificate of Analysis results— 9827 COAs
TitrateLab · Certificate of Analysis
Tested vendor:GYC All Retatrutide COAs & research All Retatrutide results & stats

Retatrutide 99.8% Purity — GYCCertificate of Analysis · Independent third-party lab result

Tested purity 99.8% High purity
Dose vs label +12.7% Over the labeled dose
Evidence Asserted only Trust: medium
AI summary Third-party lab

Vanguard Laboratory tested this retatrutide batch (GYC R0014) at 99.8% purity. The tested quantity was 16.91mg, showing a significant deviation of +12.73% from the 15mg label. Endotoxin status and test method are unknown. This test is older (6-12 months).

Watch out for
  • no endotoxin test
  • stale (6-12 months)
  • quantity deviation (+12.73%)
Test date
2025-10-01
Testing lab
[NAME_REDACTED]
Batch / lot
GYC R0014
Quantity
16.91mg
label 15mg · tested 16.91mg
Endotoxins
—
Assay method
—
Context

How this result compares

This Retatrutide certificate's tested purity of 99.80% ranks higher than 43% of the 9822 Retatrutide certificates with a purity result we have catalogued (median 99.83%).

Tested 2025-10-01 by [NAME_REDACTED]. This test is newer than 17% of our catalogued Retatrutide certificates.

GYC has 282 certificates in our corpus, including 77 for Retatrutide at a median tested purity of 99.72%.

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

Other Retatrutide certificates

Peptide Gurus Retatrutide
99.8% 2026-07-21
Janoshik [EMAIL_REDACTED] Retatrutide
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Janoshik Shenzhen Maide Technology Retatrutide
99.7% 2026-07-18
Janoshik Shenzhen Maide Technology Retatrutide
99.5% 2026-07-18
Janoshik www.hpebio.com Retatrutide
99.9% 2026-07-15
Janoshik [EMAIL_REDACTED] Retatrutide
99.6% 2026-07-13
Janoshik Mix Peptides Retatrutide
99.8% 2026-07-09
Janoshik [EMAIL_REDACTED] Retatrutide
99.8% 2026-07-08
Janoshik
All Retatrutide 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 →