PeptideCritic.com Best Sources Available — Independent Lab Test Results

Third-party lab testing: 2 independent Janoshik assays on file, covering 2 substances, median measured purity 99.2%, most recent test 2026-01-08.

Independent lab test results for PeptideCritic.com Best Sources Available

SubstanceMeasured purityTest date
Tirzepatide 30mg99.21%2026-01-08
NAD 500 Mgnot reported2026-01-08

1 of these 2 assays report a measured purity figure. The other 1 confirm the substance was submitted and tested but carry no purity number on the certificate, which is not the same as a failed result.