Pure Peptides Lab Ltd is registered in England & Wales, company number 16876166 .
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Purity & Lab Reports
Every batch is independently tested by Janoshik Analytical. Transparency and quality you can verify.
Verified 99%+ Purity
Our peptides consistently exceed 99% purity across all tested batches. Each report includes a unique verification key you can check directly on Janoshik’s website.
PURE PEPTIDES LAB
Pure Peptides Lab Research Calculator
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Pure Peptides Lab Research Assistant
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99.84%
Tirzepatide
99.48%
Semaglutide
99.21%
CJC 1295 (no DAC)
99.07%
BPC-157
How Our Testing Works
We send samples from every batch to Janoshik Analytical, an independent third-party lab
Janoshik verifies purity, confirms peptide identity, and quantifies the mass of active compound per vial
Each report includes a unique verification key you can check at janoshik.com/verify
Only batches passing 99%+ purity are approved for sale to our customers
Verified Lab Reports
Each report can be independently verified at janoshik.com using the unique key.
Tirzepatide 10mg
99.84% Batch 01BWP26T · 05 Fed 2026
Tirzepatide 30mg
99.84% Batch 01BWP26T · 05 Feb 2026
BPC-157 5mg
99.84% Batch 01BWP26T · 05 Feb 2026
99.84% Tirzepatide 10mg Batch 01BWP26T · Measured: 31.30mg · 05 Feb 2026
99.84% Tirzepatide 30mg Batch 01BWP26T · Measured: 31.30mg · 05 Feb 2026
99.07% BPC-157 5mg Batch 01BWP26BP · Measured: 4.75mg · 05 Feb 2026
Get new Janoshik HPLC reports by email
We publish a new Janoshik report with every fresh batch. Leave your email to receive the lab report the day it’s issued. No product marketing, no claims – just the raw purity data.