Test Results & Certificates of Analysis

Transparency is at the core of everything we do. Every batch of peptides we sell is independently tested and verified.

Our Testing Process

Each batch undergoes rigorous quality control through independent third-party laboratories:

HPLC (High-Performance Liquid Chromatography) — verifies purity levels, confirming 99%+ purity for every product
Mass Spectrometry — confirms molecular identity and correct sequence
Endotoxin & Sterility Testing — available on request for applicable products

Certificates of Analysis

Below are our most recent Certificates of Analysis from Janoshik Analytical, an independent third-party laboratory. Each certificate includes purity analysis (HPLC) and quantity verification. Click any certificate to view full size.

Retatrutide 10mg Certificate of Analysis - Janoshik — Retatrutide 10mg — Janoshik Analytical — 99.533% Purity

Retatrutide 20mg Certificate of Analysis - Janoshik — Retatrutide 20mg — Janoshik Analytical — 99.838% Purity

Retatrutide 30mg Certificate of Analysis - Janoshik — Retatrutide 30mg — Janoshik Analytical — 99.828% Purity

BPC-157 10mg Certificate of Analysis - Janoshik — BPC-157 10mg — Janoshik Analytical — 99.795% Purity

TB-500 10mg Certificate of Analysis - Janoshik — TB-500 10mg — Janoshik Analytical — 99.425% Purity

GHK-Cu 100mg Certificate of Analysis - Janoshik — GHK-Cu 100mg — Janoshik Analytical — 99.915% Purity

KLOW Blend 80mg Certificate of Analysis - Janoshik — KLOW Blend 80mg — Janoshik Analytical — 99%+ Purity

MOTS-C 40mg Certificate of Analysis - Janoshik — MOTS-C 40mg — Janoshik Analytical — 99.307% Purity

Cagrilintide 5mg Certificate of Analysis - Janoshik — Cagrilintide 5mg — Janoshik Analytical — 99.406% Purity

Our Guarantee

If any product does not meet our stated purity specifications, we will replace it or issue a full refund. We stand behind every product we sell.