Every batch is independently tested by Janoshik Analytical. Transparency and quality you can verify.
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.
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
Each report can be independently verified at janoshik.com using the unique key.
Click any report to view the full chromatogram, or scroll down for the full report list.
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.
One email per batch. Unsubscribe any time. Your address is only used to send lab reports.
Get in touch and we'll provide any additional documentation you need.