All Retatrutide Certificate of Analysis results— 9826 COAs
TitrateLab · Certificate of Analysis

Retatrutide 99.7% Purity — Hk PeptidesCertificate of Analysis · Independent third-party lab result

Tested purity 99.7% High purity · 99.707%
Dose vs label +25.1% Over the labeled dose
Evidence Artifact captured Trust: medium
AI summary Third-party lab

Janoshik tested this retatrutide at 99.707% purity via HPLC. The tested quantity of 37.54mg significantly exceeded the 30mg label by over 25%. Endotoxin status is unknown. The test is recent (under 3 months) and customers can cross-check on the lab's public verification URL.

Watch out for
  • no endotoxin test
  • quantity deviation (25%+)
Test date
2026-04-10
Testing lab
Janoshik
Batch / lot
Quantity
37.54mg
label 30mg · tested 37.54mg
Endotoxins
Assay method
HPLC
Label dose
30mg
Context

How this result compares

This Retatrutide certificate's tested purity of 99.71% ranks higher than 31% of the 9821 Retatrutide certificates with a purity result we have catalogued (median 99.83%).

Tested 2026-04-10 by Janoshik via HPLC. This test is newer than 65% of our catalogued Retatrutide certificates.

Hk Peptides has 487 certificates in our corpus, including 140 for Retatrutide at a median tested purity of 99.88%.

Manufacturer
Hk Peptides
View vendor profile
Certificate

Test report image

Certificate scan
Certificate scan as published.
Source

Janoshik (public)

Artifact captured

We have the certificate image (SHA-256 hash captured) — you can verify it loads from the upstream lab and matches the artifact shown here.

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Method
HPLC
Dose
30mg
Catalogued
2026-04-24
Artifact hash
4433d6cbb8d8608d…
OCR text Raw extracted text

Extracted via OCR. Names, emails, phone numbers, and street addresses are auto-redacted before display.

{"peptide": "Retatrutide", "dose": "30mg", "purity_pct": 99.707, "purity_label": "99.707%", "method": "HPLC", "test_date": "2026-04-10", "client": "HK Peptide Ltd", "notes": "", "label_qty": "30mg", "tested_qty": "37.54mg", "quantity_deviation_pct": 25.13, "is_blend": false, "components_json": "", "ocr_confidence": 0.95}
Related

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