The first Tested Index publishes once the partner laboratory is signed. Join the list for the first results

Guides

How to read a test report, what each test can and cannot prove, and what to check before you trust a seller. Each guide starts with the short answer.
  1. How to tell if your tirzepatide is real

    You cannot tell real tirzepatide by looking at the vial. Here is what identity, purity and amount testing prove, and how to check a report is genuine.

  2. How to read a peptide certificate of analysis

    A line by line guide to a peptide COA: batch, method, identity mass, HPLC purity, amount and endotoxin, and signs it does not match your vial.

  3. How to verify a Janoshik report

    Find the task number and unique key on the report, enter them on Janoshik's Verification page, then check the record matches your vial and batch.

  4. Peptide seller red flags: what to check on their website

    Seven warning signs on a peptide seller's website, from certificates with no batch number to unnamed labs, and how to check each one yourself.

  5. Group peptide testing: how to split a test

    How buyers of the same peptide batch can share one test: matching batch codes, splitting the cost evenly, what each buyer gets and what the result covers.

  6. Testing peptides abroad vs locally: what differs

    Sending a peptide sample overseas or testing it in the Philippines: courier, customs rules, foreign currency payment, time in transit and record format.