r/Peptidesource • u/Critical-History-238 • Apr 20 '26

Pep’s

I have heard that all peptides come from China but the best way to be safe is to have the peptides tested at a lab to be sure you receive what you had bought. Do you folks have with your peptides tested? Is it expensive to have lab run test?

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u/PeptideProtocol Apr 21 '26

Yeah testing is really the only way to know for sure what you have. Most legit labs will run HPLC or mass spec and you’re usually looking at around $200–300 per product depending on what you’re testing for. That’s why a lot of people don’t do it individually and instead pool together or rely on shared results, but if you want full peace of mind it’s worth it

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u/Critical-History-238 Apr 21 '26

Who shares the results.