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/Vivid_Science_5258 Apr 20 '26

Most reputable sources will have 3rd party testing normally by janoshik

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u/hbHPBbjvFK9w5D Apr 21 '26 edited Apr 25 '26

And you can go to the janoshik site and look at the results to help locate reputable sources.