All Retatrutide Certificate of Analysis results— 9828 COAs
TitrateLab · Certificate of Analysis

Retatrutide 99.9% Purity — Hk PeptidesCertificate of Analysis · Independent third-party lab result

Tested purity 99.9% High purity · 99.900%
Dose vs label +11.9% Over the labeled dose
Evidence Artifact captured Trust: medium
AI summary Third-party lab

Janoshik tested this retatrutide at 99.9% purity via HPLC. The tested quantity of 22.39mg showed an 11.95% deviation from the 20mg label. Endotoxin status is unknown, but the test is recent (under 3 months). Customers can cross-check on the lab's public verification URL.

Watch out for
  • no endotoxin test
  • quantity deviation (10%+)
Test date
2026-03-16
Testing lab
Janoshik
Batch / lot
Quantity
22.39mg
label 20mg · tested 22.39mg
Endotoxins
Assay method
HPLC
Label dose
20mg
Context

How this result compares

This Retatrutide certificate's tested purity of 99.90% ranks higher than 70% of the 9823 Retatrutide certificates with a purity result we have catalogued (median 99.83%).

Tested 2026-03-16 by Janoshik via HPLC. This test is newer than 60% 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
20mg
Catalogued
2026-04-24
Artifact hash
c1826d12cf427165…
OCR text Raw extracted text

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

{"peptide": "Retatrutide", "dose": "20mg", "purity_pct": 99.9, "purity_label": "99.900%", "method": "HPLC", "test_date": "2026-03-16", "client": "HK Peptide Ltd", "notes": "", "label_qty": "20mg", "tested_qty": "22.39mg", "quantity_deviation_pct": 11.95, "is_blend": false, "components_json": "", "ocr_confidence": 0.98}
Related

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All Retatrutide results & stats
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 →