Official site: certapeptides.com — NOT “cetapeptides.com” (a fake that is missing the “r” after “ce”). We never sell through any other domain, Telegram, or direct messages. Verify the address bar; report anything suspicious at certapeptides.com/security.

Research-grade compound. Laboratory use only. Not intended for human or animal use, ingestion, or injection. No medical claims are made or implied.

Batch Certificate of Analysis

Retatrutide — Batch Certificate of Analysis

This batch was independently tested by Janoshik Analytical. The published report is below — look it up and verify it yourself. Documentation only; research use, in-vitro.

Independently Verified

Independent third-party report from Janoshik Analytical, Czech Republic.

Retatrutide

Report Code: 4S6XFDXXP8VD
HPLC Purity: 99.702%
Independent lab: Janoshik Analytical
Report Number: #123932
Test Date: 2026-04-01
Method: HPLC purity + identity

Verify at the lab

Report verification

SHA256: 79b366ac2cf7c05b93dec8cbf0732673ad93b1d4c4acf127b59ffbc2f340f1c8

This is the SHA-256 hash of the report's canonical record. Anyone can recompute it from the original Janoshik report and compare — if a single character changed, the hash would not match.

For laboratory research use only. Not for human or veterinary use.

View the Retatrutide product page →

Retatrutide — Batch Certificate of Analysis

Retatrutide

Report verification

Tell a fellow researcher