All Retatrutide Certificate of Analysis results(10,452 COAs)
TitrateLab · Certificate of Analysis

Retatrutide 99.6% Purity — WllybioCertificate of Analysis · Independent third-party lab result

Tested purity 99.6% High purity · 99.576%
Dose vs label +14.9% Over the labeled dose
Evidence URL referenced
AI summary

Retatrutide COA from LLYbio lacks critical test documentation: batch ID, purity percentage, test date, and endotoxin status are all unknown.

Test date
2026-05-11
Testing lab
Janoshik
Batch / lot
Quantity
22.99mg
label 20mg · tested 22.99mg
Endotoxins
Assay method
HPLC
Label dose
20mg
Context

How this result compares

This Retatrutide certificate's tested purity of 99.58% ranks higher than 18% of the 10447 Retatrutide certificates with a purity result we have catalogued (median 99.83%).

Tested 2026-05-11 by Janoshik via HPLC. This test is newer than 71% of our catalogued Retatrutide certificates.

Wllybio has 35 certificates in our corpus, including 14 for Retatrutide at a median tested purity of 99.82%.

Manufacturer
Wllybio
View vendor profile
Peptides on this report
Retatrutide
Source

Janoshik (public)

URL referenced

This entry references an upstream lab URL we crawled. We did not save the artifact, so we can't prove the report still loads as it did when we catalogued it.

Verify on the upstream lab
Method
HPLC
Dose
20mg
Catalogued
2026-05-29
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": 99.576,
  "purity_label": "99.576%",
  "method": "HPLC",
  "test_date": "2026-05-11",
  "client": "Retatrutide 20mg LLY factory supplies globally.",
  "notes": "",
  "label_qty": "20mg",
  "tested_qty": "22.99mg",
  "quantity_deviation_pct": 14.95,
  "is_blend": false,
  "components_json": "",
  "ocr_confidence": 1.0
}
Related

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