Tested vendor: Barn

Retatrutide 99.858% Purity — Barn Certificate of Analysis

See all Retatrutide COAs & research
All Retatrutide COA results & stats
Test date
2026-05-21
Purity
99.86% 99.858%; 99.806%; 99.892%
Batch / lot
—
Lab
Janoshik
Quantity
label — tested 23.44mg
Qty vs label
—
Endotoxins
—
Test score
—
Manufacturer
Barn
View vendor profile
Certificate

Test report image

Certificate scan
Certificate scan as published.
Source

Janoshik (public)

✓ Artifact captured

We have the certificate image — you can verify it loads from the upstream lab and matches the artifact below.

Verify on upstream
Catalogued
2026-06-30
OCR text

Raw extracted text

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

{
  "peptide": "Retatrutide",
  "dose": "",
  "purity_pct": 99.858,
  "purity_label": "99.858%; 99.806%; 99.892%",
  "method": "",
  "test_date": "2026-05-21",
  "client": "[EMAIL_REDACTED]",
  "notes": "",
  "label_qty": "",
  "tested_qty": "23.44mg",
  "quantity_deviation_pct": null,
  "is_blend": false,
  "components_json": "",
  "ocr_confidence": 0.98
}
This COA is part of TitrateLab's community-trust corpus. See more from Barn or learn how trust scores are computed on the methodology page. New to lab reports? How to read a COA →