Lab reports for research-use-only products. Nothing here is for human or animal use.
peptide/test_results

DOC REC-JHREV NOV 6, 2026

Jude Henderson

Jude Henderson is the editor of Peptide Test Results. Jude reads the lab reports that peptide vendors and testing services publish, checks them against the lab's own lookup page where one exists, and writes up what each report does and does not show. Jude does not buy, test or use any product.

Scope of review

Jude Henderson writes and maintains every page on Peptide Test Results. The work is reading: certificates of analysis, lab verification portals, tester rating pages and the testing sections of vendor websites.

Each report is described field by field, with a link to where it was found and the date it was opened. When a lab offers a lookup by test ID or access code, Jude runs the lookup and records whether the two copies match.

Jude does not buy, test or use any product and does not run a laboratory. Everything on this site is about products sold for research and laboratory use only.

Why the reports get read this closely

A purity number on its own says very little. It matters which lab produced it, which method it used, which lot it covers, and whether anyone outside the vendor can confirm the report exists.

This site was set up to explain those parts in plain language and to show, vendor by vendor, which of them are actually published. Where something could not be confirmed, the page says so instead of guessing.

Checklist applied to every report

  • Lab name and address printed on the report
  • Test ID, batch or lot number, and dates
  • Method used: HPLC, mass spectrometry, endotoxin, sterility
  • Whether the lab's own portal returns the same report
  • Whether the vendor appears on public tester databases
  • What the report leaves out

The full rules are in how we check reports. Funding is explained in the disclosure.

Files signed off

  1. PTR-000Peptide Testing: How Third-Party Lab Results Work
  2. PTR-001Janoshik Analytical: What It Tests and How to Verify a Report
  3. PTR-002Finnrick: How Its Peptide Vendor Ratings Work
  4. PTR-003Third Party Tested Peptides: Vendors Compared by Published Testing
  5. PTR-004How to Read a Peptide COA, Field by Field
  6. PTR-005High Purity Peptides: What a Purity Percentage Means