AI summary

Retatrutide (Black Cap) by QSC tested at 99.79% purity with 5.26mg fill versus 5mg labeled (5.2% overage). Janoshik analysis complete 28 MAY 2026.

Test date
2026-05-28
Purity
99.79% 99.790%
Batch / lot
Black Cap
Lab
QSC
Quantity
label 5mg tested 5.26 mg
Qty vs label
+5.2%
Endotoxins
—
Test score
—
Manufacturer
Qingdao Sigma Chemical
View vendor dossier
Peptides on this report
Retatrutide
Certificate

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Source

Community submission

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Dose
5mg
Catalogued
2026-05-30
OCR text

Raw extracted text

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

TEST REPORT JANOSHIK E-mail: [EMAIL_REDACTED] Web: www.janoshik.com
Task Number #165275
Testing ordered > 18 MAY '26
Sample received > 21 MAY '26
Client Telegram @tracyfromqsc
Sample Retatrutide 5mg
Manufacturer QSC
[NAME_REDACTED] description >
See picture or pictures attached.
Tests requested >
[NAME_REDACTED] peptide blind test (Semaglutide, Tirzepatide and Retatrutide)
Results >
Retatrutide 5.26 mg
Purity 99.790%
Comments >
Analysis conducted > 28 MAY 2026
Signature >
Verify this test at www.janoshik.com/verify/ with the following unique key
YDTPFQR7DTRP
This COA is part of TitrateLab's community-trust corpus. See more from Qingdao Sigma Chemical or learn how trust scores are computed on the methodology page.